JP7328731B2 - Victim search system - Google Patents

Description

The present invention provides a technique for determining whether or not a pedestrian's walking condition is abnormal, a technique for guiding a pedestrian while walking using a pedestrian's communication terminal, a technique for searching for a victim , and a search for a target. technology, or technology for rescuing a pedestrian who is in distress while walking by using the communication terminal of the companion who accompanies the pedestrian.

Techniques have already been proposed for guiding pedestrians while walking by using the pedestrian's communication terminals and transmitters installed along the walking path.

As a technology of this kind, for example, Patent Document 1 describes a mountain climbing information relay system. In this system, a plurality of short-range wireless communication devices (transmitters+receivers) are arranged side by side along a mountain climbing route. A mountaineering server receives route information from a user terminal, and based on the route information, each short-range wireless communication device transmits necessary update information to the user terminal. The mountaineering server long-distance-transmits the update information to each short-range wireless communication device via the user terminal. Each short-range wireless communication device receives the update information from the user terminal and updates information to be transmitted to the user terminal based on the update information.

In addition, in Patent Document 2, a plurality of wireless tags (transmitters) are installed on students' commuting routes, and each student is made to carry a portable reader (mobile terminal with a reading function) that receives signals from each wireless tag at a short distance. Techniques have been disclosed to allow portable readers to track the actual travel route of each student.

In addition, Patent Literature 3 discloses a patient abnormality notification system. This system includes a portable transmitter attached to each patient, multiple receivers installed at multiple locations in the ward, and a centralized monitoring device installed at the nurse station on each floor. The transmitter is equipped with an acceleration sensor, thereby determining whether or not an abnormality has occurred in the patient's physical condition, and when it is determined that there is an abnormality, it is centralized via the receiver. Send to monitoring device. The receiver has a receiving section for receiving the signal from the transmitter and a transmitting section for transmitting the received signal to the centralized monitoring device.

JP 2018-22454 A JP 2008-209965 A JP 2008-047097 A

In recent years, mountaineering has attracted attention as a leisure activity and sport, and the number of climbers actually tends to increase. Some climbers are experienced and some are inexperienced. In addition, not only inexperienced climbers, but also experienced climbers, when climbing inexperienced mountains, in situations where some kind of damage is expected, despite this, a psychological phenomenon called normalcy bias is observed. There is a risk that it will lead to an unforeseen incident of distress (for example, a pedestrian deviating from the normal route).

However, in the above-described conventional technology, the climber himself, who may be in a state of psychological panic, can determine whether or not he has lost his way, whether or not there is a risk of distress, and how to avoid distress. You have no choice but to make decisions about your actions and whether or not you are really in distress.

Therefore, this conventional technology assists the climber in calmly judging whether or not he or she has lost his/her way before being in an accident, and also assists the climber in calmly judging whether or not there is a risk of an accident. Nor can it support the appropriate selection of actions to avoid distress when there is a risk of distress.

The problem of route deviation, in which pedestrians deviate from the regular route, can also occur in activities other than mountaineering. For example, in environments where pedestrians tend to lose their sense of direction, such as natural environments such as forests and grasslands, when walking in unfamiliar factory tour passages, and when pedestrians themselves are immature, such as children and the elderly. In addition, it can occur when walking on the school road or walking path.

Therefore, there is a demand for a pedestrian abnormality determination technique that detects an abnormality in the walking state of a pedestrian while walking and notifies the pedestrian of the result to warn the pedestrian.

In addition, it is a technology that uses a drone to search for a pedestrian who has been lost while walking. There is also a demand for drone dispatch type search technology that searches for the pedestrian while securing it.

In addition, it is a technology for rescuing a pedestrian who is in distress while walking by the companion of the pedestrian, and the companion who can dispatch the companion to the scene while ensuring the safety of the companion. Dispatch-type rescue technology is also required.

In addition, in order to guide pedestrians while walking, it is a technique to discretely install a plurality of transmitters along the walking route, reducing the number of transmitters to be installed and providing effective guidance information. There is also a demand for junction-installed guidance technology that provides pedestrians with

<Pedestrian Abnormality Judgment Technology>

In order to solve the problem of providing the pedestrian abnormality determination technology, according to one aspect of the present invention, there is provided a pedestrian guidance system for guiding a pedestrian while walking,
a plurality of guide transmitters discretely and serially installed along the walking route, each guide transmitter transmitting an identification signal representing a unique transmitter ID;
A user terminal that is a communication terminal for pedestrians and that can receive an identification signal from each guide transmitter by a short-range wireless communication system;
a management server communicable with the user terminal,
The user terminal or the management server,
The user terminal includes a walking state determination unit that determines whether or not there is an abnormality in the walking state of the pedestrian based on the reception state of the identification signal from each guide transmitter,
The user terminal is
a warning unit that issues a warning to the pedestrian when the walking state determination unit determines that the walking state of the pedestrian is abnormal;
a confirmation button display unit that continues to display a confirmation button operated by the pedestrian when the warning is confirmed by the pedestrian on the screen until the pedestrian operates the confirmation button,
The user terminal or the management server,
an emergency situation determination unit that determines that the pedestrian may be in an emergency situation when the confirmation button is not operated by the pedestrian even after the continuous display time of the confirmation button exceeds a predetermined time limit;
a memory in which other pedestrians accompanying the pedestrian are registered;
Emergency information transmission for transmitting the emergency information to communication terminals of other pedestrians registered in the memory when the emergency situation determination unit determines that there is a possibility that the pedestrian is in an emergency situation. A pedestrian guidance system is provided that includes a portion and .

This pedestrian guidance system consists of step-by-step abnormality determination regarding the presence or absence of walking abnormalities, rescue support linked to the severity level of walking abnormalities ("severity level-linked rescue support"), and mutual communication with companions. are characterized respectively. Each feature will be described in detail below.

1. Stepwise anomaly judgment

(1) First-stage abnormality determination: Minor serious level abnormality determination ), a warning is issued to the pedestrian via the communication terminal.

(2) Second-stage abnormality determination: Serious level abnormality determination If the pedestrian does not notice the warning, it is determined that the pedestrian may have fallen into an emergency (severe abnormality determination). conduct.

Specifically, when the confirmation button is not operated by the pedestrian even after the continuous display time of the confirmation button on the screen of the pedestrian's communication terminal exceeds a predetermined time limit, the pedestrian Determine that there is a possibility of falling into an emergency.

2. Severity Level Interlocking Rescue Support

(1) When a minor abnormality is determined When a minor abnormality is determined, the above-mentioned warning prompts the pedestrian to correct his behavior.

(2) When a serious abnormality is determined When a serious abnormality is determined, the pedestrian himself/herself may be in a serious situation where he/she cannot move physically. to the communication terminal of the pedestrian concerned, and prompt rescue activities by other companions.

3. Companion Mutual Communication

When a serious abnormality is determined, the user terminal or the management server notifies the communication terminal of the pedestrian but the communication terminal of the companion, and shares the possibility that the pedestrian is in an emergency situation with the companion. Encourage rescue activities by companions.

Moreover, in order to solve the aforementioned problems, another aspect of the present invention provides a pedestrian behavior monitoring system.

According to a first aspect of the pedestrian behavior monitoring system, a system for monitoring pedestrian behavior comprising:
a plurality of transmitters discretely positioned along the walking path, each transmitting a unique signal;
a management server operated and managed by a management center installed in a remote location;
Communication terminals used by pedestrians while walking are
a short-range wireless communication unit capable of short-range wireless communication with one of the plurality of transmitters within the reception range of the communication terminal;
a motion sensor that measures pedestrian behavior;
While the pedestrian is walking, the communication terminal acquires the location of the pedestrian based on the signal received from one of the transmitters, and whether the pedestrian's behavior is abnormal based on the measurement result of the motion sensor. a behavior determination unit that determines whether or not, thereby determining at which location an abnormality has occurred in the pedestrian's behavior;
and a communication unit capable of wirelessly transmitting the determination result to the management server via a ground base station.

Further, according to the second aspect, a system for monitoring the behavior of pedestrians,
including a plurality of transmitters discretely positioned along the walking path, each transmitting a unique signal;
Communication terminals used by pedestrians while walking are
a short-range wireless communication unit capable of short-range wireless communication with one of the plurality of transmitters within the reception range of the communication terminal;
a motion sensor for measuring pedestrian behavior; and
The communication terminal and/or the system,
While the pedestrian is walking, the communication terminal acquires the location of the pedestrian based on the signal received from one of the transmitters, and whether the pedestrian's behavior is abnormal based on the measurement result of the motion sensor. A pedestrian behavior monitoring system is provided that includes an behavior determination unit that determines whether an abnormality has occurred in the behavior of a pedestrian, thereby determining at which location an abnormality has occurred in the behavior of a pedestrian.

<Drone dispatch type search technology>

In order to solve the problem of providing the drone dispatch type search technology, according to one aspect of the present invention, there is provided a pedestrian guidance system for guiding pedestrians while walking,
a plurality of guide transmitters discretely and serially installed along the walking route, each guide transmitter transmitting an identification signal representing a unique transmitter ID;
a pedestrian transmitter worn by a pedestrian that transmits an identification signal representing a unique transmitter ID;
A user terminal that is a communication terminal for pedestrians and that can receive an identification signal from each guide transmitter by a short-range wireless communication system;
An unmanned flying drone equipped with an aerial mobile relay base station for the user terminal and a receiver capable of receiving an identification signal from the pedestrian transmitter;
a management server communicable with the user terminal,
The user terminal or the management server,
The user terminal includes a walking state determination unit that determines whether or not there is an abnormality in the walking state of the pedestrian based on the reception state of the identification signal from each guide transmitter,
The user terminal is
a warning unit that issues a warning to the pedestrian when the walking state determination unit determines that the walking state of the pedestrian is abnormal;
a confirmation button display unit that continues to display a confirmation button operated by the pedestrian when the warning is confirmed by the pedestrian on the screen until the pedestrian operates the confirmation button,
The user terminal or the management server determines that the pedestrian may have fallen into an emergency when the confirmation button is not operated by the pedestrian even after the continuous display time of the confirmation button exceeds a predetermined time limit. Including an emergency judgment unit that judges,
The management server, when it is determined by the emergency determination unit that there is a possibility that the pedestrian is in an emergency, on the condition that a connection between the user terminal and the management server is established, A connection is established between a communication terminal-based search mode for searching for a pedestrian using the positioning function and communication function of the user terminal, and the pedestrian transmitter and the receiver mounted on the drone. Provided is a pedestrian guidance system that selectively executes a transmitter-use search mode for searching for pedestrians using the location authentication function and communication function of the pedestrian transmitter.

This pedestrian guidance system features a drone search using a drone, a pedestrian transmitter, and a pedestrian communication terminal. The features are described in detail below.

According to this drone search technology, in order to search for pedestrians when a serious abnormality is determined as described above, the management server serves as a control tower, and the search using the drone, pedestrian transmitter, and pedestrian communication terminal is performed remotely. direct to

Specifically, when the management server determines the above-mentioned serious abnormality,
- A communication terminal-based search mode that searches for pedestrians using the positioning and communication functions of the user terminal, provided that a connection is established between the user terminal and the management server;
・Using a transmitter to search for pedestrians using the location authentication function and communication function of the pedestrian transmitter on the condition that a connection is established between the pedestrian transmitter and the receiver mounted on the drone. Selectively execute a type search mode.

<Companion dispatch type rescue technology>

In order to solve the problem of providing the companion dispatch type rescue technology, according to the first aspect of the present invention, there is provided a victim rescue system for rescuing a pedestrian who may have been in distress while walking. ,
a user terminal that is the communication terminal of the pedestrian;
a plurality of companion terminals, which are communication terminals used by a plurality of companions for the pedestrian;
a management server communicable with the user terminal and the plurality of companion terminals;
an environment server in communication with the management server, the environment server transmitting environmental information to the management server representing an environment within a geographic area designated by the management server;
The user terminal is
a victim determination unit that determines whether or not the pedestrian is likely to be a victim based on the results of measurement by a sensor mounted on the user terminal and/or the results of reception from an external device of the user terminal; including
The management server is
When it is determined that the pedestrian may be a victim, receiving companion information about each companion from each companion terminal, and based on the received companion information, for each companion, the above a personal risk calculation unit for calculating a personal risk when each companion is dispatched to the location of the victim in order to rescue the victim;
When it is determined that the pedestrian may be a victim, the environmental information is received from the environment server, and one of the companions is dispatched to the location of the victim based on the received environmental information. an environmental risk calculation unit that calculates the environmental risk when
a rescuer selection unit that selects, as a rescuer, one of the plurality of companions whose calculated personal risk does not exceed a first reference value;
a rescue permitting unit that permits dispatch of any of the companions to the location of the victim if the calculated environmental risk does not exceed a second reference value;
When it is permitted to dispatch one of the companions to the location of the victim, the information on the location of the victim and the rescue of the victim are sent to the companion terminal of the selected rescuer. A distress relief system is provided that includes: a message to request assistance;

Further, according to a second aspect of the present invention, a victim rescue system for rescuing a pedestrian who may have been in distress while walking,
a user terminal that is the communication terminal of the pedestrian;
a plurality of companion terminals, which are communication terminals used by a plurality of companions for the pedestrian;
a management server capable of communicating with the user terminal and the plurality of companion terminals;
The user terminal is
a victim determination unit that determines whether or not the pedestrian is likely to be a victim based on the results of measurement by a sensor mounted on the user terminal and/or the results of reception from an external device of the user terminal; including
The management server is
When it is determined that the pedestrian may be a victim, receiving companion information about each companion from each companion terminal, and based on the received companion information, for each companion, the above a personal risk calculation unit for calculating a personal risk when each companion is dispatched to the location of the victim in order to rescue the victim;
A rescuer selection unit that selects, as a rescuer, one of the plurality of companions whose individual risk calculated does not exceed a first reference value.

Further, according to a third aspect of the present invention, a victim rescue system for rescuing a pedestrian who may have been in distress while walking,
a user terminal that is the communication terminal of the pedestrian;
a plurality of companion terminals, which are communication terminals used by a plurality of companions for the pedestrian;
a management server communicable with the user terminal and the plurality of companion terminals;
an environment server in communication with the management server, the environment server transmitting environmental information to the management server representing an environment within a geographic area designated by the management server;
The user terminal is
a victim determination unit that determines whether or not the pedestrian is likely to be a victim based on the results of measurement by a sensor mounted on the user terminal and/or the results of reception from an external device of the user terminal; including
The management server is
When it is determined that the pedestrian may be a victim, the environmental information is received from the environment server, and one of the companions is dispatched to the location of the victim based on the received environmental information. an environmental risk calculation unit that calculates the environmental risk when
and a rescue permitting unit that permits dispatch of any companion to the location of the victim if the calculated environmental risk does not exceed a second reference value.

<Branch point installation type guidance technology>

According to one aspect of the present invention, in order to solve the problem of wanting to provide the branch point setting type guidance technology, a pedestrian guidance system that guides a pedestrian along a walking route having a plurality of branch points while walking. and
a plurality of transmitters respectively installed at the plurality of branch points, each transmitting an identification signal representing a unique transmitter ID;
A user terminal that is a communication terminal for pedestrians and is capable of receiving signals from each transmitter by a short-range wireless system;
a management server capable of communicating with the user terminal,
The user terminal is
When an identification signal is received from any transmitter, the identification signal is converted to a transmitter ID, and the transmitter ID is stored in a memory with a predetermined relationship between the transmitter ID and the branch point ID. a branch point location identification unit that converts to a branch point ID according to what is stored, thereby identifying the geographical location of the current branch point;
a map data receiving unit that receives map data from the management server;
the partial map data covering the geographical position of the identified branch point among the received map data, together with a mark representing the correct route to reach the destination designated by the pedestrian, and the user terminal; and a partial map data display unit for displaying on the screen of the pedestrian guidance system.

An example of the partial map data display unit starts displaying partial map data corresponding to the installation position of any transmitter when the user terminal starts receiving an identification signal from any transmitter.

Another example of the partial map data display unit is that when the user terminal finishes receiving the identification signal from any transmitter, it finishes displaying the partial map data corresponding to the installation position of any transmitter. do.

Still another example of the partial map data display unit displays partial map data corresponding to the installation position of any transmitter when the user terminal starts receiving an identification signal from any transmitter. When the user terminal finishes receiving the identification signal from any of the transmitters, the display of the partial map data corresponding to the installation position of any of the transmitters is finished.

<Victim search function>
In order to solve the problem of searching for a victim, according to a first aspect of the present invention, there is provided a victim search system for searching for a victim when a pedestrian becomes a victim while walking. ,
a management server capable of communicating with a communication terminal that is pre-attached to the pedestrian before the walking starts and that has a positioning function;
a transmitter that is pre-attached to the pedestrian before the start of walking and that transmits a unique signal;
a receiver capable of receiving said signal from said transmitter and used to search for said person in distress;
The management server includes a communication terminal-based search unit that searches for the victim based on the positioning result of the communication terminal received from the communication terminal while the management server is connected to the communication terminal,
The victim search system further includes a transmitter-based search unit that searches for the victim based on the signal received by the receiver from the transmitter.

Further, according to a second aspect of the present invention, a victim search system for searching for a victim when a pedestrian becomes a victim while walking,
a management server capable of communicating with a communication terminal that is pre-attached to the pedestrian before the walking starts and that has a positioning function;
a transmitter that is pre-attached to the pedestrian before the start of walking and that transmits a unique signal;
An airplane for searching the victim from the sky, which is equipped with a receiver capable of receiving the signal from the transmitter,
The management server, in a state in which the management server is connected to the communication terminal via or without the airplane, receives from the communication terminal the positioning result of the communication terminal to determine the distress situation. including a communication terminal-based search unit that searches for a person,
The aircraft is provided with a victim search system including a transmitter-based search unit that searches for the victim by operating the aircraft based on the signal received by the receiver from the transmitter.

The present invention provides the following aspects. Each aspect is divided into sections, each section is numbered, and the numbers of other sections are referred to as necessary. This is to facilitate understanding of some of the technical features that can be employed by the present invention and combinations thereof, and the technical features that can be employed by the present invention and combinations thereof are limited to the following aspects. should not be interpreted as That is, it should be construed that the technical features described in the present specification, which are not described in the following aspects, are appropriately extracted and employed as the technical features of the present invention.

Furthermore, it should be noted that stating each paragraph in a format that refers to the numbers of other paragraphs does not necessarily prevent the technical features described in each paragraph from being separated and independent from the technical features described in other paragraphs. It should be construed that the technical features described in each section can be made independent as appropriate according to their nature.

(1) A pedestrian guidance system that guides pedestrians while walking,
a plurality of transmitters discretely and serially installed along the walking path, each transmitter emitting an identification signal representing a unique transmitter ID;
including a communication terminal for each pedestrian that can receive an identification signal from each transmitter using a short-range wireless communication system;
Each pedestrian's communication terminal is
a reference transmitter determination unit that, upon receiving an identification signal from any of the transmitters, determines that one of the transmitters to be the reference transmitter for which the passage of the pedestrian has been confirmed;
After determining the reference transmitter, by referring to mapping data representing the order in which the plurality of transmitters are arranged along the walking route pre-assigned to the walking route, the walking route among the plurality of transmitters is determined. a target transmitter determination unit that determines a target transmitter positioned next to the reference transmitter in
a walking state determination unit that determines that there is an abnormality in the walking state of the pedestrian if the identification signal is not received from the target transmitter even after a predetermined time limit has elapsed since the time when the identification signal was received from the reference transmitter; ,
and a warning unit that informs the pedestrian of the determination result and warns,
A pedestrian guidance system in which the reference transmitter determination unit and the target transmitter determination unit are each repeatedly executed.

(2) A pedestrian guidance system that guides pedestrians while walking,
a plurality of transmitters discretely and serially installed along the walking path, each transmitter emitting an identification signal representing a unique transmitter ID;
A communication terminal of each pedestrian that can receive an identification signal from each transmitter by a short-range wireless communication method, and a management server that can communicate with the communication terminal of each pedestrian,
The management server is
a reference transmitter determination unit that, when each pedestrian's communication terminal receives an identification signal from one of the transmitters, determines one of the transmitters as a reference transmitter for which the passage of the pedestrian has been confirmed;
After determining the reference transmitter, by referring to mapping data representing the order in which the plurality of transmitters are arranged along the walking route pre-assigned to the walking route, the walking route among the plurality of transmitters is determined. a target transmitter determination unit that determines a target transmitter positioned next to the reference transmitter in
If each pedestrian's communication terminal does not receive an identification signal from the target transmitter even after a predetermined time limit has elapsed since the time when each pedestrian's communication terminal received the identification signal from the reference transmitter, the pedestrian's communication terminal a walking state determination unit that determines that there is an abnormality in the walking state;
and a transmission unit that transmits the determination result to the communication terminal of the pedestrian,
A pedestrian guidance system in which the reference transmitter determination unit and the target transmitter determination unit are each repeatedly executed.

(3) The predetermined time limit includes the distance between the reference transmitter and the target transmitter in the walking route, altitude difference, gradient, and road surface type (paved road, gravel road, mud road, cliff road, wide road). A pedestrian guidance system according to paragraph (1) or (2) having a variable length depending on at least one of the roads, narrow streets, etc.).

(4) Pedestrian guidance according to any one of items (1) to (3), wherein the determination result that the walking state is abnormal is communicated to the pedestrian visually, audibly and/or tactilely. system.

(5) Any one of items (1) to (4), including at least one of the possibility that the pedestrian has lost his way and the possibility that the pedestrian has deviated from the walking route. The pedestrian guidance system according to claim 1.

(6) The communication terminal further
(1) including a display unit that displays a map, a current position, and an installation position of one of the transmitters in an overlay state on a screen of the communication terminal when an identification signal is received from one of the transmitters; A pedestrian guidance system according to any one of items 1 to 5.

(7) The walking route includes at least one of a mountain road, a forest road, a tour path in the facility, a school road, a walking path, and a cycling course, each of which has a fixed walking route (1) to ( 6) A pedestrian guidance system according to any one of the paragraphs.

(8) A program for causing a computer to function as the communication terminal according to any one of (1) to (7).

Throughout this specification, the term "program" shall be construed to mean, for example, the combination of instructions executed by a computer to perform its function, and the combination of those instructions as well as each instruction. can be construed to include, but not be limited to, files and data processed according to.

In addition, this program may achieve its intended purpose by being executed by a computer by itself, or may achieve its intended purpose by being executed by a computer together with other programs. They can, but are not limited to. In the latter case, the programs under this section may be data-based, but are not so limited.

(9) A program for causing a computer to function as the management server according to any one of (1) to (7).

(10) A recording medium in which the program according to (8) or (9) is computer-readable.

Throughout this specification, the term "recording medium" can be construed to mean various types of recording medium, such as, for example, magnetic recording media such as floppy disks. Optical recording media such as CDs and CD-ROMs, magneto-optical recording media such as MOs, non-removable storages such as ROMs, etc., but are not limited to them.

(11) A pedestrian guidance method for guiding a pedestrian while walking, comprising:
The method is
a plurality of transmitters discretely and serially installed along the walking path, each transmitter emitting an identification signal representing a unique transmitter ID;
Executed using a communication terminal of each pedestrian that can receive an identification signal from each transmitter by a short-range wireless communication system,
The pedestrian guidance method is
a reference transmitter determination step of determining one of the transmitters as a reference transmitter when the communication terminal of each pedestrian receives an identification signal from one of the transmitters;
After determining the reference transmitter, by referring to mapping data representing the order in which the plurality of transmitters are arranged along the walking route pre-assigned to the walking route, the walking route among the plurality of transmitters is determined. a target transmitter determination step of determining a target transmitter positioned next to the reference transmitter in
If each pedestrian's communication terminal does not receive an identification signal from the target transmitter even after a predetermined time limit has elapsed since the time when each pedestrian's communication terminal received the identification signal from the reference transmitter, the pedestrian a lost state determination step of determining that there is a possibility of being lost;
and a warning step of notifying the pedestrian of the determination result and
The pedestrian guidance method in which the reference transmitter determination step and the target transmitter determination step are each repeatedly performed.

(12) A victim search system for searching for a victim when a pedestrian deviates from a regular route while walking,
a management server capable of communicating with a communication terminal that is pre-attached to the pedestrian before the walking starts and that has a positioning function;
a transmitter that is pre-attached to the pedestrian before the start of walking and that transmits a unique signal;
a receiver capable of receiving said signal from said transmitter and used to search for said victim;
a communication terminal-based search unit that searches for the victim using a positioning function of the communication terminal on condition that a connection is established between the communication terminal and the management server;
a transmitter-based search unit that searches for the distressed person using the signal from the transmitter on condition that a connection is established between the transmitter and the receiver;
including a victim search system.

(13) A victim search system for searching for a victim when a pedestrian deviates from a regular route while walking,
a management server capable of communicating with a communication terminal that is pre-attached to the pedestrian before the walking starts and that has a positioning function;
a transmitter that is pre-attached to the pedestrian before the start of walking and that transmits a unique signal;
An airplane that searches for the victim from the sky, and is equipped with a receiver capable of receiving the signal from the transmitter;
A communication terminal that searches for the distressed person using the positioning function of the communication terminal on the condition that a connection between the communication terminal and the management server is established with or without the airplane. a user-friendly search unit;
Transmitter-based search for searching for the victim using the signal from the transmitter on the condition that a connection is established between the transmitter and the receiver by operating the aircraft. Department and
including a victim search system.

(14) A target search system for searching for a target, comprising:
a management server capable of communicating with a communication terminal pre-installed on the target and having a positioning function;
a transmitter pre-attached to the target that emits a unique signal;
a receiver capable of receiving said signal from said transmitter and used to search said target;
a communication terminal-based search unit that searches for the target using a positioning function of the communication terminal on condition that a connection is established between the communication terminal and the management server;
a transmitter-based search unit that searches for the target using the signal from the transmitter on condition that a connection is established between the transmitter and the receiver;
Target search system including.

(15) A target search system for searching for a target, comprising:
a management server capable of communicating with a communication terminal pre-installed on the target and having a positioning function;
a transmitter pre-attached to the target that emits a unique signal;
An airplane that searches for the victim from the sky, and is equipped with a receiver capable of receiving the signal from the transmitter;
Use of a communication terminal to search for the target using the positioning function of the communication terminal on the condition that a connection between the communication terminal and the management server is established with or without the airplane. a mold search department;
Transmitter-based search unit that searches for the target using the signal from the transmitter on the condition that a connection between the transmitter and the receiver is established by operating the airplane. and
Target search system including.

FIG. 1 is a system diagram conceptually showing the hardware configuration of a mountain trail guidance system according to the first exemplary embodiment of the present invention.

FIG. 2 is an example of a layout when a plurality of guide transmitters in the mountain trail guidance system shown in FIG. 1 are installed on a mountain trail. It is a schematic perspective view which shows what was installed.

FIG. 3 is an enlarged perspective view showing two of the guide transmitters shown in FIG. 2 which are adjacent to each other.

FIG. 4 is a functional block diagram showing the guide transmitter and climber transmitter both shown in FIG. 2 and having a common configuration.

FIG. 5 is a functional block diagram showing the climber's portable terminal shown in FIG.

FIG. 6(a) shows that, in the mountain trail guidance system shown in FIG. It is a graph showing an example of a received normal walking state scenario. FIG. 4 is a graph illustratively representing an abnormal walking condition scenario in which the same mobile terminal does not receive a signal from its neighbor B;

FIG. 7 shows the predetermined relationship between the transmitter ID of each guide transmitter and the position of each guide transmitter on the map, and the order in which the plurality of guide transmitters are arranged along the walking route of the mountain trail. , and a time limit are conceptually represented as mapping data in association with each other.

FIG. 8(a) is a graph showing an example in which the altitude gradually changes between two points adjacent to each other on the mountain trail shown in FIG. It is a graph showing an example in which the altitude changes suddenly, and FIG. 1(c) shows a scenario in which the time limit is expressed by the product of the reference time S and the correction coefficient k, and the length of the reference time S is It is a graph exemplarily showing that it increases according to the distance d between the two points, and FIG. It is a graph which expresses increasing exemplarily.

FIG. 9 is a functional block diagram representing the management server shown in FIG.

FIG. 10 is a flow chart conceptually representing a plurality of programs for explaining the software configuration of the mountain trail guidance system shown in FIG.

FIG. 11(a) is an exemplary first page displayed on the screen of the portable terminal shown in FIG. 1, which assists the user in entering data for distinguishing whether to climb or descend. and FIG. 1(b) shows a second page displayed on the screen for warning the user when there is a possibility that the user has lost his/her way. FIG. 11C is a plan view showing an example, and FIG. 11C is a third page displayed on the screen, in which the user is instructed to perform the processing executed by the management server after the user has been warned. FIG. 2 is a plan view exemplarily showing what is for explaining in FIG.

FIG. 12 is a system diagram conceptually showing the main part of the hardware configuration of the victim rescue system according to the exemplary second embodiment of the present invention.

FIG. 13 is a flow chart conceptually representing a plurality of programs for explaining the software configuration of the victim rescue system shown in FIG.

FIG. 14 is a perspective view conceptually showing an installation layout of a plurality of transmitters in a mountain trail guidance system according to the exemplary third embodiment of the present invention.

15 is a plan view showing an exemplary image displayed on the screen of the communication terminal of the climber in the mountain trail guidance system shown in FIG. 14. FIG.

FIG. 16 is a diagram conceptually showing the contents of the map database in the memory of the management server in the mountain trail guidance system shown in FIG.

FIG. 17 is a flow chart conceptually representing a plurality of programs for explaining the software configuration of the mountain trail guidance system shown in FIG.

FIG. 18(a) is a perspective view showing an example of how a climber walks through a junction while the mountain trail guidance system shown in FIG. 14 is in operation; FIG. 10(a) is a time chart showing changes over time in the state in which the portable terminal receives the transmitter in the walking example; FIG. It is a time chart showing the temporal change of the display state above.

A plurality of more specific exemplary embodiments of the present invention will be described in detail below with reference to the drawings.

[First embodiment]

FIG. 1 conceptually shows the hardware configuration of a mountain trail guidance system (hereinafter simply referred to as "system") 10 according to the first embodiment of the present invention. System 10 is designed to implement a pedestrian guidance method according to one embodiment of the present invention.

<Overview of the system>

Schematically, the system 10, as shown in FIG. 2, guides a user, a climber (an example of a "pedestrian"), to a mountain trail 14 (an example of a "walking route") in a mountainous area 12. An example of a mountain route, etc.), it is determined that the climber's walking condition is abnormal (whether there is a possibility of getting lost or deviating from the mountain trail 14, etc.), and the result Climbing that warns climbers by telling them about the It has a route guidance function.

<Mountain trail guidance function>

In this system 10, a plurality of guide transmitters 30 are installed discretely along the mountain trail 14 and arranged in series in order to realize the mountain trail guidance function. These guide transmitters 30 are, for example, arranged in series at regular intervals (for example, intervals of 10 m, 50 m, 100 m, 500 m, and 1 km). Alternatively, multiple guide transmitters 30 may be arranged in series with variable spacing that decreases toward the end of trail 14 .

Each guide transmitter 30 may be artificially installed on the mountain trail 14, such as a post or a sign, or may be attached to a natural object growing on the mountain trail 14, such as a natural tree. may be attached to the

Signals from a plurality of guide transmitters 30 are sequentially received by the climber's mobile terminal 90 (an example of a "user terminal") by a short-range wireless communication system as the climber walks. The portable terminal 90 can wirelessly communicate with a management server 50 operated and managed by a management center 40 installed in a remote location from the mountainous area 12 .

In order to realize the mountain trail guidance function, the portable terminal 90 can, alone or in cooperation with the management server 50, provide information on the walking route (where to walk) and walking information of the climber during climbing or descending. Warn climbers (notify climbers that they may be lost and alert them so that both routes (in which direction to walk) do not deviate from the norm) etc.) and route guidance.

Here, the "warning" may be, for example, notifying that the climber may have lost his way in the mountainous area 12, calling attention to the climber, prompting the climber to take corrective action, or the like. For example, it is notified that if the mobile terminal 90 continues to walk, the radio waves of the mobile terminal 90 will enter the outside of the communication range where other mobile terminals 90 cannot reach. Out-of-communication areas include, for example, an area where there is no receivable ground base station 300 (see FIG. 2) nearby, or the presence of tall trees or neighboring mountains around the climber. There is an area where radio waves from the mobile terminal 90 are blocked.

In addition, for "route guidance (route guidance, course guidance, regular route guidance, etc.)", for example, position information and orientation information for correcting the actual walking route and course to the regular walking route and course are provided to climbers. For example, the user may be visually, audibly, or tactilely informed of a message to the effect that "you are lost and it is advisable to retrace your current route."

In this example, when the portable terminal 90 of the climber who is in a lost state detects that he is in a lost state by using the guide transmitter 30, he decides to return the current route for calling attention. In order to prompt the climber to do so, the message may be output in text, image, or voice, or it may be confirmed by operating the "confirmation button" that the mountain climber has confirmed the message. In this case, the mobile terminal 90 of the climber this time may continue to display the same button until the user taps the "confirm button".

Nevertheless, if the user does not tap the "confirm button" even if the continuous display time of the "confirm button" exceeds the predetermined time limit, the portable terminal 90 of the mountain climber It is determined that there is a possibility that a certain climber has fallen into an emergency (for example, a distress), and this is transmitted to the management server 50, and furthermore, each of the other climbers (accompanying persons) belonging to the same party It transmits to the portable terminal 90 all at once.

Furthermore, each climber's mobile terminal 90 has its positioning function (for example, positioning function using GPS, ground base station 300) during climbing, all the time, or when the warning is issued to the climber. The positional information obtained by the positioning function used) is acquired discretely in time, and the positional information is sequentially transmitted to the management server 50 in order to facilitate the search work in the event of distress.

Upon receiving the position information, the management server 50 sequentially stores the position information in the memory 162 (see FIG. 9) in chronological order in association with the user ID/device ID of the mobile terminal 90 of each climber. When the mountaineer is in distress, the mountaineer's mobile terminal 90 accesses the management server 50, and the management server 50 extracts the behavior history of the mountaineer from the memory 162, to the mobile terminal 90 of the person. Management server 50 and other companions are thus able to track the location of the victim, at least from the time the alert was given to the victim.

The victim's action history, that is, the tracking result, is used, for example, by other companions and rescue workers to search for the victim. Also, the action history of the victim is used when the management server 50 determines the flight target point of the drone 200, which will be described later.

In this system 10, in order to realize the climbing route guidance function, when the mobile terminal 90 of the climber receives an identification signal from any of the guide transmitters 30, the guide transmitter 30 is transmitted to the climber. It is determined as a reference transmitter (start transmitter, departure point transmitter, etc.) that has been confirmed to have passed through.

After determining the reference transmitter, the portable terminal 90 refers to mapping data (see FIG. 7) downloaded from the management server 50 to determine the walking route (see FIG. 2) among the plurality of guide transmitters 30. , is determined as a target transmitter (forward transmitter, adjacent transmitter, target point transmitter, etc.) located next to the reference transmitter.

Further, if the mobile terminal 90 receives the identification signal from the target transmitter before the predetermined time limit f elapses from the time the identification signal is received from the reference transmitter, the walking condition of the climber is normal. On the other hand, if the identification signal is not received from the target transmitter even after the predetermined time limit f has passed, there is an abnormality in the walking condition of the climber (there is a possibility that the climber is lost). Yes).

FIG. 3 is an enlarged perspective view showing two of the plurality of guide transmitters 30 shown in FIG. 2 which are adjacent to each other. These two guide transmitters 30 are installed at two points A and B adjacent to each other. In the example shown in FIG. 3, the point A is located at the entrance point (starting point, start point) of the mountain trail 14, and the point Z is at the top point (turning point, end point, end point) of the mountain trail 14. To position.

During mountain climbing (when climbing the mountain trail 14) (in the walking route during mountain climbing, the ascending direction, the ascending direction), point B is ahead of point A in the traveling direction, so the guide transmitter 30 of point A is the reference transmitter, the guide transmitter 30 at point B is the target transmitter.

On the other hand, during the descent (when descending the mountain trail 14) (in the walking route during the descent, the descending direction, and the descending direction), the point A is ahead of the point B in the direction of travel. When the guide transmitter 30 is the reference transmitter, the guide transmitter 30 at the point A becomes the target transmitter.

Furthermore, as illustrated in FIG. 3, the distance d between the guide transmitter 30 at point A and the guide transmitter 30 at point B, not exactly the shortest distance, but the mountain trail 14 was measured along it. There is a length of time. There is also an altitude difference Δh between the guide transmitter 30 at the point A and the guide transmitter 30 at the point B.

Furthermore, as exemplified in FIG. 3, the reception range for the guide transmitter 30 at the point A and the reception range for the guide transmitter 30 at the point B do not overlap with each other. Since the reception range is set, one portable terminal 90 does not effectively receive identification signals from two guide transmitters 30 at the same time.

FIG. 6(a) shows that, in this system 10, the same mobile terminal 90 reaches the next point before the predetermined time limit f elapses from the time when the mobile terminal 90 receives the signal from the guide transmitter 30 at the point A. A normal walking condition scenario receiving a signal from B's guide transmitter 30 is illustratively graphed.

On the other hand, in FIG. 6(b), in this system 10, even if the predetermined time limit f has passed from the time when the mobile terminal 90 received the signal from the guide transmitter 30 at the point A, does not receive a signal from the guide transmitter 30 at neighboring point B, an exemplary abnormal walking condition scenario is graphically represented.

As shown in FIG. 6B, in this system 10, if the mobile terminal 90 does not receive a signal from the guide transmitter 30 at the adjacent point B even after the predetermined time limit f has passed, the mobile terminal 90 However, it determines that the climber's walking condition (traveling direction, etc.) is abnormal (for example, he is lost), and issues a warning to the climber.

If the climber does not notice the warning, the climber's mobile terminal 90 or the management server 50 notifies the mobile terminals 90 of each of the other companions that the climber may be in distress. are sent simultaneously. Furthermore, the management server 50 executes the victim search mode in order to realize the above-described victim search function.

FIG. 7 shows a predetermined relationship between the transmitter ID of each guide transmitter 30 and the installation position of each guide transmitter 30 on the map, and a plurality of guides along the correct walking route of the mountain trail 14. Mapping data representing the order in which the transmitters 30 are arranged and the length of the aforementioned time limit f in association with each other are conceptually represented in a table.

The mapping data is originally stored in the memory 162 of the management server 50, and when accessed from any mobile terminal 90, the management server 50 transmits the mapping data to the mobile terminal 90, thereby The mobile terminal 90 downloads the mapping data from the management server 50 and stores it in its own memory 132 (see FIG. 5).

<Regarding the setting of the time limit f>

In this system 10, the time limit f is set for each point pair consisting of two points adjacent to each other, as shown in FIG. The time limit f assumes a climber with normal athletic ability, and takes into account the actual distance d and the altitude difference Δh between two points adjacent to each other, and the average climber travels between the two points. is set in advance so as not to be less than the minimum time required for

FIG. 8(a) is a graph showing an example in which the altitude gradually changes between two points A and B adjacent to each other on the mountain trail 14. In FIG. In FIG. 4(b), an example in which the altitude suddenly changes between the points A and B is represented by a graph.

In this system 10, the time limit f is calculated as the product of a reference time S and a correction factor k. FIG. 8(c) graphically illustrates that the length of the reference time S increases with the distance d between the two points A and B. As shown in FIG. FIG. 4(d) is an exemplary graph showing that the correction coefficient k increases according to the altitude difference Δh between the two points A and B. FIG.

<Companion mutual contact function>

In addition to the mountain trail guidance function described above, this system 10 supports mutual assistance by communicating with each other using mobile terminals 90 among multiple climbers belonging to the same party (team, group, etc.). It has a companion mutual communication function. This companion mutual contact function also acts as a function for confirming the safety of the victim.

In this system 10, when a plurality of people are climbing as one party, if one climber falls into an emergency, information about it is sent to other climbers by the companion mutual communication function (mutual help function). To prevent a distress from occurring, to go to rescue immediately, or to immediately search even if a distress occurs, by sharing information between them and communicating with each other by a portable terminal 90.例文帳に追加

Specifically, for example, when a plurality of people climb a mountain as one party, it becomes clear that one of them has fallen into an emergency situation (for example, the climber's mobile terminal 90 or management server 50 infers the existence of the emergency), the climber's mobile terminal 90 or the management server 50 automatically informs the mobile terminals 90 of each of the other climbers of the same party, in unison, of the emergency. wirelessly transmit information about

In one example, the mobile terminals 90 of multiple climbers belonging to the same party automatically attempt to establish mutual connection regardless of whether they are in distress or as needed (for example, without the user noticing). ), and if there is another mobile terminal 90 for which connection is not established despite this, it is reported to the management server 50 . The management server 50 determines that there is a possibility that the climber who is the user of the other mobile terminal 90 with which the connection is not established has fallen into an emergency situation, and notifies each of the other climbers with whom the connection is established. It transmits to the portable terminal 90 all at once.

In another example, if the management server 50 periodically tries to establish a connection with each mobile terminal 90 and none of the mobile terminals 90 establish a connection, the It is determined that there is a possibility that the climber who should have one of the mobile terminals 90 has fallen into an emergency, and the fact is transmitted to the mobile terminals 90 of the other climbers all at once.

Here, the "emergency" includes, for example, a case where the walking route is not corrected even if the warning is issued, a case where a connection with a certain portable terminal 90 is not established, and the like. In the latter case, for example, a certain climber is out of the communication range, or the battery of the portable terminal 90 of a certain climber is insufficient. In this case, it becomes impossible to search for the climber by relying on the portable terminal 90, and the search may be difficult.

<Victim search function>

This system 10 has, in addition to the mountain trail guidance function and companion mutual communication function described above, a lost person search function for searching for the lost person in the event that a mountaineer should be lost in a mountain area 12 . This victim search function also acts as a function for confirming the safety of the victim.

In this system 10, a climber is equipped with a climber transmitter 32 before climbing a mountain in order to realize a function of searching for a lost person. The climber transmitter 32 moves integrally with the climber who is the wearer, and the position of the climber transmitter 32 coincides with the position of the climber.

Additionally, the system 10 includes an unmanned aerial vehicle or drone 200 for aerial search of victims. The drone 200 can be operated remotely according to instructions from the management server 50 using its own controller 202 , or can be operated autonomously using the controller 202 .

When the management server 50 determines that any of the climbers may have been lost, the representative spatial coordinate values of the mountain area 12 where the climber is climbing The latitude, longitude and altitude of the representative point) is transmitted to the communication device 204 of the drone 200 as information representing the flight target point, and the drone 200 is instructed to dispatch (deploy) via the controller 202 .

Drone 200 comprises a controller 202 and a communication device 204 connected thereto. The communication device 204 is capable of wireless communication with the management server 50 . This communication device 204 may function as a normal cellular phone (mobile phone) using the terrestrial base station 300 or as a satellite phone using an artificial satellite.

Drone 200 includes communication device 204 and mobile (movable) airborne base station (hereinafter referred to as “relay base station”) 206 instead of fixed ground base station 300 for mobile terminal 90 . are doing. Relay base station 206 receives location information from mobile terminals 90 within its communication range, and transmits the location information to ground base stations 300 within communication range of relay base station 206 .

The drone 200 further comprises a receiver 210 capable of receiving signals from the victim's climber transmitter 32 . The controller 202 measures the strength of the radio waves received by the receiver 210 from the climber transmitter 32 every moment. The controller 202 causes the drone 200 to fly in a direction in which the current value of the radio wave intensity measurement value increases from the previous value.

In this system 10, in order to search for a climber in distress, there are a mobile terminal use mode in which the victim's mobile terminal 90 is used to search for the victim himself, and a mountain climber transmitter 32 of the victim is used. There is also a transmitter use mode for searching for the person in distress.

First, roughly speaking, the portable terminal use mode uses the positioning function and communication function of the portable terminal 90 on the condition that the connection between the portable terminal 90 and the management server 50 is established. carried out to search for persons. In this search scenario, the portable terminal 90 as one of the victim's equipment is directly used for the search of the victim.

On the other hand, the transmitter use mode is a state in which connection between the portable terminal 90 of the victim and the management server 50 is not established, for example, a state in which the battery of the portable terminal 90 is insufficient or is located outside the communication range, the location authentication function and transmission function of the climber transmitter 32 are used to search for the distressed person.

Specifically, in this transmitter use mode, the drone 200 is dispatched, and the strength of the radio waves received by the receiver 210 mounted on the drone 200 from the mountain climber transmitter 32 of the victim is measured sequentially, A flight route for the drone 200 is determined such that the measured value increases over time. As a result, in a search scenario of searching for the victim, or on the condition that the victim's mobile terminal 90 operates normally (for example, the battery is not running low, the mobile terminal 90 is not out of order) , the mobile terminal 90 is connected to the management server 50 via the relay base station 206 mounted on the drone 200 and further via the nearest ground base station 300. Realized.

In the former search scenario, the climber transmitter 32 as one of the victims' equipment is directly used for the search of the victims by the drone 200 . In contrast, in the latter search scenario, the transmitter use mode is executed to enable the portable terminal use mode described above.

Specifically, in the latter search scenario, the drone 200 is dispatched, approaches the victim, and when the victim's mobile terminal 90 enters the communication range of the relay base station 206, the relay base station 206 relays This function establishes a connection between the victim's mobile terminal 90 and the ground base station 300 , and in turn establishes a connection between the victim's mobile terminal 90 and the management server 50 . In this case, the mobile terminal use mode is executed, and the victim can communicate with the management server 50 . In this case, for example, the victim can communicate with the telephone operator of the management center 40 and transmit data (messaging) via his/her mobile terminal 90 .

The drone 200 further has a camera 220 that captures still images or moving images of the ground from the sky. The camera 220 generates imaging data representing an image of the ground, and the imaging data is transmitted to the management server 50 via the communication device 204 . An operator of the management center 40 can remotely monitor the state of the ground surface of the mountainous area 12 via the camera 220 . This allows the operator of the management center 40 to visually and remotely search for the victim. The operating state (on/off, etc.), shooting conditions (zoom ratio, exposure, etc.), and orientation (angle, etc.) of the camera 40 are remotely controlled by the management server 50 via the controller 202 .

The drone 200 further has a speaker 230 that outputs sound from the sky. The speaker 230 is remotely controlled by the management server 50 via the controller 202 . For example, the controller 202 drives the speaker 230 based on the audio data received from the management server 50, thereby generating and outputting audio. As a result, the operator of the management center 40 can output sound from the sky toward the mountainous area 12 via the speaker 230 .

Thanks to the audio output, the operator of the management center 40 can audibly inform the victim that the search is underway and the presence of the drone 200 and its current position before the victim is found. In addition, after the victim is found, it is possible to confirm the safety of the victim, give instructions on actions to be taken by the victim for rescue, and provide information on the current status of rescue activities.

The drone 200 also has a shooter 240 that drops or drops the required items from the sky toward a target location on the ground, optionally equipped with a parachute. The shooter 240 is remotely controlled by the management server 50 via the controller 202 . Items that are dropped include, for example, relief supplies (for example, a spare charged battery pack that can be used for the victim's mobile terminal 90, water, food, etc.), and local illumination of the vicinity of the victim for relief. There are lights etc. to facilitate the activity.

When dropping the item from the shooter 240, it is possible to use the speaker 230 to verbally explain the contents of the rescue activity or drop a lighting tool together with the item in order to call the victim's attention. Thanks to the lighting equipment, the victim can accurately grasp the landing point of the dropped item, making it possible to reliably capture the item.

<About the guide transmitter and climber transmitter>

FIG. 4 shows a functional block diagram of the guide transmitter 30 and the climber transmitter 32 shown in FIG. 2 and having a common configuration. Since the guide transmitter 30 and the climber transmitter 32 have a common configuration, only the guide transmitter 30 will be described as a representative of the common configuration.

As shown in FIG. 4, each guide transmitter 30 emits a unique signal, which represents a unique transmitter ID. Since it is known in which position of the mountain trail 14 each guide transmitter 30 is installed, the transmitter ID is pre-assigned the installation position, that is, the spatial coordinate values (x, y, z). .

First, conceptually, the guide transmitter 30 is a contactless or contact (proximity) communication device that locally emits an identification signal that can identify a unique transmitter ID.

Next, to explain the operation method, the guide transmitter 30 transmits a unique identification signal actively, locally without requiring an external trigger signal, and permanently unless the supply power is insufficient. send.

The guide transmitter 30 is generally a device that is also known as a beacon device that transmits a beacon signal as an identification signal, a radio beacon, and the like. In one example, the guide transmitter 30 modulates the original signal to generate an identification signal representing the corresponding transmitter ID, and the generated identification signal is an IR signal, a Bluetooth (registered trademark) signal, It is transmitted locally as an NFC (Near Field Communication) signal or the like.

The hardware configuration of the guide transmitter 30 will now be described with reference to FIG. ing.

This guide transmitter 30 further has a replaceable disposable battery 106 as a power supply. Instead of the battery 106, it is possible to adopt a rechargeable battery, or adopt a commercial power supply or a solar battery as an external power supply.

When a solar battery is used as an external power source, the excess electrical energy generated by the solar battery during the daytime is stored in the battery, and the battery energy is extracted from the battery at nighttime to operate the guide transmitter 30. may be activated.

This guide transmitter 30 further has a transmitter 108 that generates and transmits an identification signal. The transmitter 108 is operated by the battery 106 and controlled by the controller 110 . Its controller 110 is controlled by computer 100 .

To explain the software configuration of guide transmitter 30, processor 100 outputs to controller 110 a signal for modulating the original signal (eg, carrier signal) so that the transmitter ID is reflected. The controller 110 controls the transmitter 108 so that the transmitter 108 generates an identification signal to be transmitted this time. Thereafter, the generated identification signal is transmitted from transmitting section 108 .

<About mobile devices>

A climber's (user's) mobile terminal 90 is a device carried by the user and having a wireless communication function, such as a mobile phone, a smart phone, a laptop computer, a tablet computer, or a PDA. Also, the mobile terminal 90 is an example of a user's communication terminal.

Next, the hardware configuration of mobile terminal 90 will be described with reference to FIG. A computer 134 having 132 is the main component.

The portable terminal 90 further includes a display unit (for example, a liquid crystal display) 136 for displaying information, a receiving unit 138 for receiving signals from the guide transmitter 30 and the management server 50, and a and a transmission unit 140 for transmitting to the management server 50 . Here, the receiver 138 is also a part that senses the identification signal from the guide transmitter 30 .

This mobile terminal 90 further has an input unit 150 for inputting data and commands from the user. The input unit 150 has, for example, an operation unit that can be operated by the user to input desired information (eg, commands, data, etc.) to the mobile terminal 90 . The operation unit includes a touch screen that displays icons (e.g., virtual buttons) that can be operated by the user, a physical operation unit that can be operated by the user (e.g., keyboard, keypad, buttons, etc.), and voice. Sensing microphones and the like include, but are not limited to.

This mobile terminal 90 further has a GPS (satellite positioning system) receiver 152 . As is well known, the GPS receiver 152 receives a plurality of GPS signals from a plurality of GPS satellites, and based on the GPS signals, determines the position (latitude, longitude and altitude) of the GPS receiver 152 on the earth. Measured by triangulation.

This mobile terminal 90 further incorporates an acceleration sensor 154 that detects its own acceleration. Since the acceleration sensor 154 is mounted on the mobile terminal 90, it vibrates integrally with the mobile terminal 90. As a result, the acceleration acting on the acceleration sensor 154 itself is transmitted to the mobile terminal 90 and the user carrying it. is detected as equivalent to the acceleration acting on

Here, one function of the user's mobile terminal 90 will be described in relation to the guide transmitter 30. The mobile terminal 90 receives the identification signal from the guide transmitter 30, and the computer of the mobile terminal 90 is activated. When a program pre-installed in the device, that is, a dedicated application for guide transmitter processing (hereinafter referred to as "transmitter application") is activated (login), the received identification signal is demodulated, to decode the transmitter ID.

Furthermore, when the mobile terminal 90 starts the application for the transmitter while receiving the identification signal from the guide transmitter 30, the mobile terminal 90, based on the received identification signal (for example, the strength of the identification signal), The distance between the position of the guide transmitter 30 when transmitting the identification signal and the position of the portable terminal 90 when receiving the identification signal is also measured.

That is, based on the identification signal received from the guide transmitter 30, the portable terminal 90 acquires both the transmitter ID unique to the guide transmitter 30 and the distance from the guide transmitter 30 at that time. It is becoming.

<Receiving range of transmitter>

The guide transmitter 30 is apparently assigned two types of reception areas. They are a coverage area and an effective coverage area (hereinafter also referred to as "receiving range" or "covering area").

Each of these areas is generally defined by a single sphere centered on the installation position of the guide transmitter 30 . Some examples of coverage are shown in FIG.

The coverage area of the guide transmitter 30 has a maximum reception radius (e.g., about 50 m), whereas the effective reception area has an effective reception radius (e.g., any value within the range of 0 m to about 50 m). have. While the maximum reception radius is a fixed value, the effective reception radius is a variable value that can be set by the mobile terminal 90 at any time, as will be described later.

The receivable area is an area where the identification signal from the guide transmitter 30 can reach when the power supply of the guide transmitter 30 is normal. means the area where you can receive

On the other hand, the effective reception area has an effective reception radius smaller than the maximum reception radius of the receivable area. The maximum reception radius cannot be arbitrarily set, whereas the effective reception radius can be arbitrarily set by software in the mobile terminal 90 .

That is, it is possible to say that the maximum reception radius means the reception limit determined by hardware, while the effective reception radius means the reception limit determined by software.

As described above, mobile terminal 90 measures the distance to guide transmitter 30 based on the strength of the identification signal it receives. The range measurement may or may not exceed the effective reception radius. When the measured distance value does not exceed the effective radius of reception, the mobile terminal 90 exists within the effective reception area. is within the coverage area but not within the effective reception area.

In this embodiment, the reception range of the guide transmitter 30 is set to be, for example, a spherical area with a radius of approximately 0m-5m. That is, the effective reception radius used in the mobile terminal 90 is set to a fixed value within about 0m-5m. The effective reception radius may be set, for example, so that the reception range of each guide transmitter 30 covers the entire road width of the portion of the mountain trail 14 where each guide transmitter 30 is installed.

<About the management server>

Next, to explain the hardware configuration of the management server 50, FIG. 9 shows the management server 50 in a functional block diagram. The management server 50 is mainly composed of a computer 164 having a processor 160 and a memory 162 storing a plurality of applications executed by the processor 160 .

The management server 50 further includes a display unit (for example, a liquid crystal display) 166 that displays information, a reception unit 168 that receives signals from the mobile terminal 90 , and a signal that generates and transmits the signal to the mobile terminal 90 . and a clock 172 . This management server 50 does not directly receive data from the transmitter 30, but actually receives data via the mobile terminal 90. FIG.

<Software configuration of mountain trail guidance system>

FIG. 10 conceptually shows a plurality of programs for explaining the software configuration of this system 10 in the form of a flow chart. These programs include a mountain trail guidance application (steps S101-S122) as a program executed on each climber's mobile terminal 90 and a program (steps S151-S158) executed on the management server 50. FIG.

Prior to climbing the mountain trail 14, when the mountain trail guidance application is activated on the mobile terminal 90 of each climber, first, in step S101, the user operates to request a login to the management server 50, personal information of the user who is the climber is input to the mobile terminal 90 . The climber's personal information includes, for example, the climber's user ID, the user's name and address, and the telephone numbers or e-mail addresses of the portable terminals 90 of other companions. The login request and personal information are sent to the management server 50 and then received by the management server 50 in step S151.

Next, in step S102, the user operates the mountain trail identification information for identifying the current mountain trail 14 (for example, the name or ID of the mountain trail 14, the name or ID) is input to the portable terminal 90, the mountain trail identification information is transmitted to the management server 50, and then received by the management server 50 in step S151.

Subsequently, in step S152, the management server 50 registers the received personal information and mountain trail identification information in the memory 162. FIG. Thereafter, in step S153, the management server 50 selects the mountain trail 14 represented by the mountain trail identification information received from the mobile terminal 90 this time, among the plurality of mapping data (see FIG. 7) stored in the memory 162. , is read from the memory 162 and transmitted to the mobile terminal 90 for this time.

In response to this, the mobile terminal 90 downloads the mapping data corresponding to the mountain trail 14 from the management server 50 in step S103. The downloaded mapping data is stored in memory 132 in association with trail 14 and date.

Subsequently, in step S104, the portable terminal 90 displays a page as shown in FIG. 11(a) on the screen. Enter the data for distinguishing whether it is on or off the mountain.

In a typical example, first (for example, at the starting point A of mountain trail 14), as shown in FIG. , the mountain trail guidance mode described above is activated on the condition that it is for climbing and not for descending.

Thereafter, when the user safely arrives at the end point Z of the mountain trail 14 and is about to start descending, the user presses a button representing "reset" as shown in FIG. 11(a). Then, a button representing "descend" is operated. In response, the mobile terminal 90 activates the mountain trail guidance mode from the first step on the condition that this time it is descending and not mountain climbing.

Subsequently, the mobile terminal 90 attempts to receive an identification signal from any of the guide transmitters 30 in step S105. After that, in step S106, the mobile terminal 90 determines whether or not the identification signal has been effectively received from any of the guide transmitters 30. FIG. If the identification signal has not been effectively received (effective reception has failed), the determination is NO, and the process returns to step S105. On the other hand, when the identification signal is effectively received (effective reception is successful), the determination in step S106 is YES.

The mobile terminal 90 has effectively received an identification signal from one of the guide transmitters 30 (the one closest to the user's current position among the plurality of guide transmitters 30) (succeeded in effective reception). If so, then in step S107, the mobile terminal 90 displays on the screen a map showing the mountain trail 14 covering the current position and the installation position of any of the received guide transmitters 30. , and the current position measured using the above-mentioned built-in GPS are displayed in an overlaid state.

In the case where the mobile terminal 90 is also equipped with a direction sensor, the user holds the mobile terminal 90 horizontally and changes the direction of the mobile terminal 90 between the direction of the map displayed on the screen and the direction of the mobile terminal 90 . It is possible to visually guide the climber's future traveling direction using the screen.

Thereafter, in step S108, the portable terminal 90 determines the guide transmitter 30 received this time as the aforementioned reference transmitter.

Subsequently, in step S109, the mobile terminal 90 determines whether or not this time the mountain is descending. If the mountain is being climbed instead of descending, the determination is NO, and in step S110, among the plurality of guide transmitters 30, when viewed in the ascending direction of the mountain trail 14, the guide transmitter 30 received this time. Another guide transmitter 30 positioned immediately adjacent is determined as the aforementioned target transmitter.

Specifically, in the example shown in FIG. 2, when the reference transmitter is the guide transmitter 30 located at the point E (5th counting from the starting point A), the point F (counting from the starting point A) 6) is determined as the target transmitter.

On the other hand, this time, if it is not climbing but descending, the determination in step S109 becomes YES, and in step S111, among the plurality of guide transmitters 30, when viewed in the descending direction of mountain trail 14 , another guide transmitter 30 positioned immediately adjacent to the guide transmitter 30 received this time is determined as the aforementioned target transmitter.

Specifically, in the example shown in FIG. 2, when the reference transmitter is the guide transmitter 30 located at the point E (5th counting from the starting point A), the point D (counting from the starting point A) 4th) is determined as the target transmitter.

In either case, portable terminal 90 then attempts to receive an identification signal from the current target transmitter in step S112. Thereafter, in step S113, the mobile terminal 90 determines whether or not the identification signal has been effectively received from the current target transmitter. If the identification signal has not been effectively received (effective reception has failed), the determination is NO, and the process proceeds to step S115.

In this step S115, the portable terminal 90 determines whether or not the elapsed time from the initial execution start time in step S112 has exceeded the time limit f. If not, the determination is YES, and the process returns to step S112.

On the other hand, if the mobile terminal 90 has effectively received the identification signal from the current target transmitter (succeeded in effective reception), the determination in step S113 is YES.

Subsequently, in step S114, the portable terminal 90 displays a map of the vicinity of the current position, the received installation position of the target transmitter, and the measured current position on the screen in the same manner as in step S107 described above. Display in overlay state. After that, the process returns to step S108, and the current target transmitter is determined as the next reference transmitter.

On the other hand, if the portable terminal 90 does not effectively receive the identification signal from the target transmitter even after the elapsed time from the execution start time of step S112 exceeds the time limit f, the determination of step S115 becomes NO.

After that, in step S116, the portable terminal 90 determines that the walking condition of the climber this time is abnormal. This abnormality determination is based on, for example, the possibility that the current climber cannot reach the current target transmitter in the section from the current reference transmitter to the current target transmitter and is lost. It means a judgment to the effect.

Subsequently, in step S117, the portable terminal 90 issues a visual warning to the climber this time, as illustrated in FIG. 11(b). In one example, the portable terminal 90 sends a message "You may have lost your way. It is recommended that you turn back the route." The confirmation button to be operated is associated with each other and displayed on the screen.

After that, in step S118, the portable terminal 90 measures the current position by using the above-mentioned built-in GPS. Subsequently, in step S<b>119 , the mobile terminal 90 associates the location information representing the positioning result with the user ID and the current time and transmits the location information to the management server 50 .

In response to this, in step S154, the management server 50 receives the current location information from the portable terminal 90 in association with the user ID and the current time. Save as associated with the current time. As a result, in the memory 162, the activity history of the climber this time is stored in chronological order in association with the time, and the information becomes useful information when tracking the climber.

After that, in step S120, the mobile terminal 90 determines whether or not the confirmation button has been operated by the user, as illustrated in FIG. 11(b). If the confirmation button has not been operated, the determination is NO, and in step S121, the portable terminal 90 determines whether the elapsed time from the initial execution start time of step S120 has exceeded the predetermined time limit g. determine whether If not, the determination is YES, and the process returns to step S117. When the elapsed time eventually exceeds the time limit g, the determination in step S121 becomes NO.

After that, in step S122, the mobile terminal 90 determines that the current climber is a victim, and transmits to the management server 50 a request for the victim search mode for searching for the victim. Subsequently, in step S123, as illustrated in FIG. 11(c), the mobile terminal 90 displays a message to the effect that "we are in contact with the companion" and a message that "we are requesting help". display on the screen.

In response to this, the management server 50 receives the victim search mode request from the mobile terminal 90 in step S156, and subsequently, in step S157, another climber accompanying the climber this time. A message is sent all at once to each of the mobile terminals 90 registered in the memory 162 of the management server 50 to inform them that the mountain climber may have been lost.

Specifically, for this companion simultaneous transmission service, the management server is associated with each of one or more companions (for example, members of a party climbing the same mountain trail 14) for this climber. In memory 162 of 50, personal information, i.e., name, address, age, gender, physical condition data (e.g., health data) and athletic ability (e.g., years of sports experience), and contact information, i.e., e.g. The telephone number, e-mail address and IP address of each companion's mobile terminal 90 are registered so as to construct a companion database.

After that, in step S158, the management server 50 dispatches the drone 200 with the current mountain trail 14 as the target arrival point. As described above, the drone 200 searches for the position of the climber, relying on radio waves received from the climber transmitter 32 worn by the climber this time. This realizes the above-mentioned victim search function.

As is clear from the above description, according to the present embodiment, it is possible to determine whether or not the climber himself/herself, who may be in a state of psychological panic, has lost his/her way, and whether or not there is a risk of distress. , the need to select actions for avoiding distress and to determine whether or not distress has really occurred. As a result, according to the present embodiment, the climber can accurately know whether or not he or she has lost his way, whether or not there is a risk of distress, and whether or not there is a risk of distress before being lost. In some cases, it becomes possible to know exactly what action to take to avoid distress.

In this embodiment, of the computer 134 of the mobile terminal 90, the part that executes steps S105, S106 and S108 in FIG. 10 can be considered to constitute an example of the reference transmitter determination part, Of the computer 134 of the mobile terminal 90, the part that executes steps S109 to S111 in FIG. , the part that executes steps S115 and S116 in the same figure can be considered to constitute an example of the walking state determination unit. A part can be considered to constitute an example of said warning part.

Incidentally, in the present embodiment, both the first characteristic portion functioning as the reference transmitter determination portion and the second characteristic portion functioning as the target transmitter determination portion are the second characteristic portion functioning as the walking state determination portion. The three features are also implemented in the same computer 134 of the mobile terminal 90, but the present invention may be implemented in such a way that all three features are implemented in the computer 164 of the management server 50 instead. Alternatively, the present invention may be implemented in such a manner that part of these three features are implemented in computer 164 of management server 50 .

Additionally, in the present embodiment, on the premise that the climber does not slide down from the mountain trail 14 (the climber does not deviate laterally from the mountain trail 14), the portable terminal 90 receives signals from the target transmitter. If the signal cannot be received within the time limit f, it is determined that the climber may be lost.

On the other hand, in the present invention, when the mobile terminal 90 cannot receive the signal from the target transmitter within the time limit f, the acceleration sensor 154 of the mobile terminal 90 is used to detect the acceleration of the mobile terminal 90, that is, Acceleration is measured, and when the absolute value of the measured value exceeds a predetermined value, it is determined that there is a possibility that the climber has deviated from the mountain trail 14 in the vicinity of the reference transmitter and has slid down. may be implemented in any manner. Here, "the possibility that the climber has slipped down from the mountain trail 14" is an example of the above-mentioned "abnormal walking condition".

[Second embodiment]

Next, the victim rescue system 10 according to the exemplary second embodiment of the present invention will be described in detail based on the drawings. By citing using , redundant description is omitted and only different elements are described in detail. Victim rescue system 10 is designed to implement a rescue method according to one embodiment of the present invention.

As described above, in the first embodiment, as shown in FIG. 10, in step S156, the management server 50 activates the victim search mode from the portable terminal 90 (an example of a "user terminal") of the current climber. is received, in step S157, the mobile terminals 90 of the other climbers accompanying the current climber who are registered in the memory 162 of the management server 50 ("companion terminal" For example), a message is sent all at once to inform that the climbers may have been lost. Each accompanying person's mobile terminal 90 is configured in common with the climber's mobile terminal 90 .

On the other hand, in the present embodiment, the management server 50 unconditionally and simultaneously sends the message, that is, the climber this time, that is, the victim, to all of the accompanying persons registered in the memory 162 Instead of sending a message requesting search and rescue for a The risk is narrowed down to those whose risk does not exceed the reference value, and the message is sent only to each companion selected in this way, ie, each rescuer (final rescuer).

Various methods of narrowing down the plurality of candidate rescuers to a smaller number of final rescuers may be employed.

In the example shown in FIG. 12, the management server 50 receives from the mobile terminals 90 of each of the companions a plurality of types of personal risks of each companion (when the companion is dispatched to the location of the victim). Accident risk to the accompanying person) is received from the portable terminal 90 of each accompanying person.

As for those individual risks, the distance that must be walked to reach the location of the victim (estimated location) high risk, etc.), the three-dimensional position (latitude x, degree y, altitude z) measured by the GPS of each companion's mobile terminal 90, and the current position of each companion There is geographic information (an example of "companion information") that represents

Another individual risk is to consider the local weather conditions (another There is a temperature measured by the temperature sensor of the companion's mobile terminal 90 (the lower the temperature, the higher the accident risk of the companion during rescue).

Yet another personal risk is deciding whether to ask each companion for help considering different local weather conditions (another example of "companion information") at each companion's location. Therefore, there is illuminance measured by the illuminance sensor of each companion's portable terminal 90 (the darker the outside brightness, the higher the accident risk of the companion during rescue).

Yet another individual risk is to determine whether to request assistance from each companion given the local geography of each companion's location (another example of "companion information"). , the altitude (z) measured by the GPS of each companion's mobile terminal 90 (the higher the altitude, the lower the atmospheric pressure and the oxygen concentration, the higher the accident risk of the companion during rescue).

As another individual risk, physical condition data ("companion information") of each companion's mobile terminal 90 is used to determine whether or not to request assistance from each companion in consideration of the physical condition of each companion. Still another example of ), which is input by the user (for example, a gradual physical condition level such as good, normal, and bad, for example, the lower the physical condition level, the more likely the accompanying companion at the time of rescue high accident risk).

Furthermore, as another individual risk, in order to determine whether or not to request assistance from each companion in consideration of the physical condition of each companion, the exercise performance data of each companion's mobile terminal 90 ("companion information ”), which is input by the user (for example, the number of years of experience of the person in sports up to the day, for example, the closer the number of years of experience is to 0, the more the accident risk of the companion at the time of rescue is high).

In the example shown in FIG. 12, the management server 50 further selects a plurality of types of environmental risks for each companion (the accident risk to the accompanying person when dispatched to the location) is received from the weather server 400 (an example of an "environmental server").

As an environmental risk, the location of the victim (estimated as the position measured by the GPS of the victim's mobile terminal 90) is the weather risk (the worse the weather (rainy weather, snowfall, etc.), the more high accident risk).

Another environmental risk is the risk of temperature at the victim's location (the more the temperature deviates from the proper range, the higher the accident risk of the rescue companions).

Yet another environmental risk is the wind speed risk at the victim's location (the higher the wind speed, the higher the accident risk for the companions during the rescue).

In the example shown in FIG. 12, the management server 50 further stores multiple types of environmental risks for each companion based on the terrain characteristics of the victim's location (another example of "environmental information"). (another example of an "environment server").

Environmental risks include terrain risks at the victim's location (for example, the steeper the slope, the higher the accident risk of the companion during rescue).

Another environmental risk is the surface risk at the victim's location (e.g., the higher the likelihood of natural disasters such as landslides, avalanches, and debris flows occurring in mountainous areas, the higher the accident risk for companions during rescue). be.

In the example shown in FIG. 12, for each companion, the management server 50 stores the position of the companion (more precisely, the distance D (Distance) between the companion and the victim) and the location of the companion Temperature (air temperature) T (Temperature), illuminance L (Lightness) at the location of the companion, altitude H (Height) at the location of the companion, physical condition C (Condition) of the companion, and athletic ability M of the companion (Motor Skill), the total individual risk F is calculated as follows.

F=D·k ₁ +T·k ₂ +L·k ₃ +H·k ₄ +C·k ₅ +M·k ₆
k ₁ , k ₂ , k ₃ , k ₄ , k ₅ , k ₆ : Weight coefficients multiplied by each risk variable (default value)

The larger the calculated value of the total individual risk F, the higher the accident risk of the companion during the rescue.

In the example shown in FIG. 12, the management server 50 provides for each victim a weather risk _M1 , a temperature risk _M2 , a wind speed risk _M3 , a terrain risk _S1 , and a ground risk at the location of the victim. From _S2 , the total environmental risk G is calculated as follows.

G=M ₁ ·k ₇ +M ₂ ·k ₈ +M ₃ ·k ₉ +S ₁ ·k ₁₀ +S ₂ ·k ₁₁
k ₇ , k ₈ , k ₉ , k ₁₀ , k ₁₁ : weight coefficients multiplied by each risk variable (default value)

The greater the calculated value of the total environmental risk G, the higher the accident risk of the companion during the rescue.

FIG. 13 shows communications performed between the mobile terminals 90 of a plurality of companions, the management server 50, the weather server 400, and the terrain server 500 in order to realize the companion simultaneous transmission service described above, Programs executed by the processors of each component are represented in a conceptual sequence, respectively.

As shown in FIG. 10, when the management server 50 receives a request for the victim search mode from the mobile terminal 90 in step S156, as shown in FIG. A person (each candidate rescuer) simultaneously transmits a request for requesting an individual risk to all of the plurality of portable terminals 90 of the plurality of companions.

Upon receiving the request in step S1301, each companion's mobile terminal 90 measures the current location of each mobile terminal 90 as the location of each companion by the GPS in step S1302.

Subsequently, in step S1303, the mobile terminal 90 of each companion detects the temperature (air temperature) T at the location of each companion using the temperature sensor of the mobile terminal 90 of each companion. Furthermore, the illuminance sensor of each companion's mobile terminal 90 detects the illuminance L at the location of each companion. Furthermore, the GPS of each companion's mobile terminal 90 detects the altitude H of the location of each companion.

After that, in step S1304, each companion's mobile terminal 90 converts the plurality of detection values T, L, and H described above to the level of the physical condition C of each companion's mobile terminal 90 that is input by the user ( For example, the higher the fatigue level of the companion, the higher the level) and the level of the athletic ability M of each companion's mobile terminal 90 that was input by the user (for example, the lower the athletic ability of the companion, the higher the level) higher level) and send them to the management server 50 as individual risks, respectively.

In step S1352, the management server 50 receives the personal risks from the mobile terminals 90 of the companions, and in step S1353, associates the received personal risks with the companions and stores them in the memory. 162.

Subsequently, in step S1354, the management server 50 presumes the current location last received from the mobile terminal 90 of the victim who is a climber as the location of the victim, reads it from the memory 162, and reads the current location from the memory 162. The location is set as a relief point and registered in the memory 162 .

After that, in step S1355, the management server 50 transmits a request for requesting a plurality of environmental risks to the weather server 400 and the terrain server 500 together with the set relief point.

Each of the weather server 400 and the terrain server 500 receives the request in step S1371 and then covers the relief point in the weather database of the weather server 400 and the database of the terrain server 500 respectively in step S1372. Search for environmental risks for a given area.

Thereafter, each of weather server 400 and topography server 500 transmits the retrieved plurality of environmental risks to management server 50 in step S1373.

On the other hand, in step S1357, the management server 50 calculates the overall environmental risk G for the plurality of received environmental risks as described above.

Subsequently, in step S1358, the management server 50 determines whether or not the calculated value of the comprehensive environmental risk G is equal to or less than a preset upper limit value (an example of a “second reference value”). Determine whether the accident risk is low. If the calculated value is equal to or less than the upper limit, the determination is YES, and in step S159, rescue by one of the companions is permitted. However, if the calculated value is higher than the upper limit, step S1358. becomes NO, for example, the process returns to step S1351 to wait for the environmental risk to improve at the same relief point, or to determine whether to provide relief at another relief point.

After executing step S1359, in step S1360, the management server 50 calculates the total individual risk F from the plurality of received individual risks for each candidate rescuer (each companion). Thereafter, in step S1361, the management server 50 selects, among the plurality of candidate rescuers, those whose calculated total individual risk F is equal to or less than a preset reference point (an example of a "first reference value"), Each chooses to be the final savior.

Subsequently, in step S1362, the management server 50 sends a message to the mobile terminal 90 of each of the selected rescuers to request search and rescue of the rescuers. Submit with characteristics and clothing characteristics.

In response to this, in step S1306, the mobile terminal 90 of each rescuer displays the received message on the screen (or outputs it by voice), and displays a confirmation button on the screen. After that, on the condition that the confirmation button is operated by the user of the mobile terminal 90, i.e., the rescuer, in step S1307, the mobile terminal 90 of each rescuer operates the confirmation button. , thereby transmitting to the management server 50 the intention of accepting the help request.

In response to this, in step S1363, the management server 50 receives information indicating that the confirmation button has been operated from the mobile terminal 90 of one of the rescuers, identifies the rescuer who has accepted the rescue request, and stores the information in the memory 162. to register.

However, if the management server 50 cannot receive information indicating that the confirmation button has been operated from any rescuer's mobile terminal 90 even after the time limit has passed, the management server 50 moves the reference point to The current value is updated so as to decrease by a predetermined amount, and then the process returns to step S1361. As a result, the next execution of step S1361 expands the range of a plurality of rescuers who sound out a rescue request, thereby increasing the probability that a rescuer who accepts the rescue request will be found.

As is clear from the above description, in the present embodiment, for convenience of explanation, the portion of the climber's portable terminal 90 that executes steps S105-S117 and S120-S122 in FIG. ” can be considered to constitute an example. An example of the "victim determination unit" is to perform distress determination using a plurality of guide transmitters 30 as external devices of the mobile terminal 90. Another example of the "victim determination unit" is , the above-described acceleration sensor 154 (an example of a motion sensor for measuring the behavior of a climber) is used to determine a victim as described above.

Furthermore, in this embodiment, for convenience of explanation, the portion of the management server 50 that executes steps S1352 and S1360 in FIG. , the part that executes steps S1354 to S1357 in the same figure constitutes an example of the "environmental risk calculation part", and the part of the management server 50 that executes step S1359 in the same figure is the "rescue permission part" In addition, the portion of the management server 50 that executes steps S1361 and S1364 in the figure constitutes an example of the "rescuer selection unit", and the management server 50 includes It is possible to consider that the part that executes step S1362 constitutes an example of the "help requesting part".

[Third embodiment]

Next, a mountain trail guidance system 10 according to a third exemplary embodiment of the present invention will be described in detail based on the drawings. By citing using , redundant description is omitted and only different elements are described in detail. System 10 is designed to implement a pedestrian guidance method according to one embodiment of the present invention.

As described above, in the first embodiment, as shown in FIG. 2, a plurality of guide transmitters 30 are arranged along the mountain trail 14 from the departure point (start point) to the target point (end point). installed regardless of After that, when the time required for the climber to walk from one guide transmitter 30 to the next guide transmitter 30 exceeds the time limit, it is determined that the climber may have lost his way. be.

On the other hand, in general, the cause of the possibility that a climber may get lost on the mountain trail is not the straight part of the mountain trail 14 but the part where there is a branch point. Instead of installing transmitters 30 as guide transmitters all over the same mountain trail 14, only branch points (or among multiple branch points, statistically or empirically, climbers are on the route) Installing transmitters 30 as branch point transmitters only at branch points where there is a high possibility of getting lost reduces the total number of transmitters 30 to be installed, which is advantageous in terms of cost and man-hours.

In view of this fact, in this embodiment, as illustrated in FIG.

Furthermore, in the present embodiment, when the mobile terminal 90 of the climber starts receiving from any of the branch point transmitters 30, in response to this, as illustrated in FIG. Among them, a map image showing only the area near the current junction is displayed together with a mark representing the climber's current position, a mark representing the correct course, and the name of the junction (in addition, useful climbing information for climbers). The operation of being done is started.

After that, when the portable terminal 90 no longer receives the signal from the same branch point transmitter 30, the map image displayed until then disappears from the screen.

Furthermore, in this embodiment, as illustrated in FIG. 16, each mountain trail is stored in the memory 162 of the management server 50 for each destination, that is, for each of the plurality of mountain trails 14 (for example, for each mountain area). A map database representing map data for all 14 is constructed. However, in this embodiment, for convenience of explanation, the map database is constructed so that it is effective only when the climber climbs the mountain trail 14 toward the summit.

Therefore, when any destination is specified, one piece of map data is specified.

Each map data is configured as a collection of a plurality of partial map data, and in each map data, each partial map data and a branch point ID representing one branch point included in the partial map data are associated with each other. .

As exemplified in FIG. 15, each partial map data is a correct map determined by the relationship between the corresponding branch point, at least three routes among the mountain trails 14 that intersect at the branch point, and the destination designated by the climber. and a mark representing the track in relation to its position.

Although not shown, the memory 162 of the management server 50 also stores a transmitter ID represented by an identification signal emitted by each branch point transmitter 30 and a branch point where each branch point transmitter 30 is installed. A predetermined relationship with the branch point ID is also stored.

Therefore, when the mobile terminal 90 receives a signal from one of the branch point transmitters 30, one transmitter ID is identified, one branch point ID is identified, and one partial map data is identified. identified.

FIG. 17 shows communication between a plurality of branch point transmitters 30, a climber's mobile terminal 90, and the management server 50 to realize the above-described branch point guidance service, and the processors of each component. are each represented by a conceptual sequence. A climber guide application is installed in the memory 132 of the portable terminal 90 as a corresponding program.

FIG. 18(a) shows a perspective view of an example of a climber walking through a junction during operation of the system 10. FIG. FIG. 4(b) is a time chart showing changes over time in the state in which the portable terminal 90 receives any of the branch point transmitters 30 in the walking example of FIG. 4(a). FIG. 1(c) is a time chart showing temporal changes in the display state on the screen of the climber's mobile terminal 90 in the walking example of FIG. 1(a).

As shown in FIG. 17, when the climber guidance application is activated on the portable terminal 90, the climber inputs a destination to his/her own portable terminal 90 in step S1701. Subsequently, in step S1702, the portable terminal 90 transmits a request for map data corresponding to the input destination to the management server 50 together with the destination.

In response to this, the management server 50 receives the request in step S1731, and in step S1732, the management server 50 uses the destination received from the mobile terminal 90 as a key in the map database to search for map data. Thereafter, in step S1733, the management server 50 transmits the retrieved current map data (collection of a plurality of partial map data) to the portable terminal 90 of the climber.

In step S1703, the mobile terminal 90 of the climber receives the current map data from the management server 50, and stores the map data in the memory 132 of the mobile terminal 90 in association with the current destination.

Subsequently, the climber's mobile terminal 90 attempts to receive a signal from any of the junction transmitters 30 in step S1704. After that, in step S1705, the mobile terminal 90 of the climber checks whether the mobile terminal 90 has effectively received a signal from any of the branch point transmitters 30. It is determined whether or not it exists within the reception range (effective reception area) of the device 30. If the reception is not valid, the determination is NO, and the process returns to step S1704. If the reception is valid, the determination changes to YES.

In the example of FIG. 18B, when the determination in step S1705 becomes YES at the timing indicated by time t1, the climber's mobile terminal 90 acquires the current transmitter ID from the received signal in step S1706. Then, in step S1707, the acquired transmitter ID is converted into a branch point ID according to the above relationship.

After that, in step S1708, the mobile terminal 90 of the climber selects the partial map data corresponding to the current branch point ID from among the plurality of partial map data stored in the memory 132 of the mobile terminal 90, and selects the current partial map data. Data is read from memory 132 . Subsequently, in step S1709, the portable terminal 90 of the climber displays the read partial map data on the screen as shown in FIG. 15 at the timing indicated by time t3 in the example of FIG. 18(c). start to do

Subsequently, the climber's mobile terminal 90 attempts to receive a signal from any of the junction transmitters 30 in step S1710. After that, in step S1711, the mobile terminal 90 of the climber checks whether the mobile terminal 90 has effectively received a signal from any of the branch point transmitters 30. It is determined whether or not it exists within the reception range (effective reception area) of the device 30.

If the mobile terminal 90 of the climber has effectively received a signal from any of the branch point transmitters 30, the determination in step S1711 becomes YES, and then in step S1712, the signal obtained from the received signal is obtained. Whether or not the obtained transmitter ID matches the transmitter ID acquired at the previous execution of step S1706 described above, that is, whether or not the mobile terminal 90 continues to effectively receive signals from the same branch point transmitter 30 determine whether or not

If the determination in step S1712 is YES, the process returns to step S1709 to continue displaying the current partial map data. , display of the partial map data is started in the same manner as described above.

On the other hand, at the timing indicated by time t2 in the example of FIG. If a transition is made to an ineffective reception state in which signals are not effectively received from the point transmitter 30, the determination in step S1711 becomes NO.

Thereafter, the portable terminal 90 of the climber terminates the display of the current partial map data in step S1713 at the timing indicated by time t4 in the example of FIG. 18(c). After that, the process moves to step S1704.

As is clear from the above description, in the present embodiment, for convenience of explanation, the portion of the climber's mobile terminal 90 that executes steps S1704 to S1707 in FIG. In addition, the portion of the climber's mobile terminal 90 that executes steps S1701 to S1703 in the figure constitutes an example of a "map data receiving unit", and of the climber's mobile terminal 90 It is possible to consider that the part for executing steps S1708 to S1713 in the figure constitutes an example of the "partial map data display part".

It should be noted that the several embodiments described above apply the present invention to the use of guiding climbers on the mountain trail 14, but it is also possible to apply the present invention to other uses.

For example, the present invention can be used to guide pedestrians on other types of mountain trails, to guide pedestrians on forest trails, to guide visitors through facilities (for example, factories, museums, museums, public facilities, etc.), or Behavior monitoring (existence of entry into restricted areas, dangerous areas, etc.), customer guidance in stores where multiple products are displayed, student behavior monitoring on school routes (presence of deviations from regular school routes) etc.), guides for pedestrians on promenades, and guides for bicycles on cycling courses.

Additionally, in some of the embodiments described above, all or part of the processing executed in the mobile terminal 90 may instead be executed in the management server 50, or conversely, the management server 50 All or part of the processing executed in , may be executed in the mobile terminal 90 instead. Which device executes the processing to be executed is usually determined by circumstances at that time, such as the amount and type of data to be handled, the processing speed and storage capacity of each device, and the like. .

Although some of the exemplary embodiments of the present invention have been described in detail above with reference to the drawings, these are examples, and a person skilled in the art can It is possible to implement the present invention in other forms with various modifications and improvements based on knowledge.

Claims (4)

A victim search system for searching for a victim when a pedestrian becomes a victim while walking,
a management server capable of communicating with a communication terminal that is pre-attached to the pedestrian before the walking starts and that has a positioning function;
a transmitter that is pre-attached to the pedestrian before the start of walking and that transmits a unique signal;
a receiver capable of receiving said signal from said transmitter and used to search for said person in distress;
The management server includes a communication terminal-based search unit that searches for the victim based on the positioning result of the communication terminal received from the communication terminal while the management server is connected to the communication terminal,
The victim search system further includes a transmitter-based search unit that searches for the victim based on the signal received by the receiver from the transmitter. A victim search system for searching for a victim when a pedestrian becomes a victim while walking,
a management server capable of communicating with a communication terminal that is pre-attached to the pedestrian before the walking starts and that has a positioning function;
a transmitter that is pre-attached to the pedestrian before the start of walking and that transmits a unique signal;
An airplane for searching the victim from the sky, which is equipped with a receiver capable of receiving the signal from the transmitter,
The management server, in a state in which the management server is connected to the communication terminal via or without the airplane, receives from the communication terminal the positioning result of the communication terminal to determine the distress situation. including a communication terminal-based search unit that searches for a person,
A victim search system, wherein the aircraft includes a transmitter-based search unit that searches for the victim by causing the aircraft to navigate based on the signal received by the receiver from the transmitter. the aircraft is a drone;
3. The victim search according to claim 2, wherein the communication terminal-based search unit includes a remote control unit that remotely controls the drone while the communication terminal and the management server are connected via the drone. system. the aircraft is a drone;
3. The victim search system according to claim 2, wherein the transmitter-based search unit includes an autonomous navigation unit that causes the drone to autonomously navigate based on the signal received by the receiver from the transmitter.

Images