JPH09304506A - Rescue system using gps receiver - Google Patents

Abstract

PROBLEM TO BE SOLVED: To support the rescue operation in shorter time efficintly in a rescue system, which rescues the victem in a maritime disaster accident, etc. SOLUTION: The absolute position of a victem, which is computed by a GPS receiver 1, is transmitted to a rescue-system processor 3 through a radio transmitter 2 in the case of emergency. The processor 3, which has received the position of the victem, automatically selects a rescue boat 4 closest to the victem among the rescue boats registered beforehand located in the vicinity immediately, automatically transmits the bearing and the distance to the victem as information and gives the starting instruction. The rescue boat, which has received the starting instruction, automatically starts navigation to the victem and is guided to the destination by the rescue system processor 3. In this way, the rescue operation is automatically started at the same time when the emergency signal is received, and the rescue operation can be started within the time shorter than the time in the previous cases.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rescue system using GPS, and more particularly, it relates to a rescue system capable of shortening the time until rescue and efficiently performing rescue activities.

[0002]

2. Description of the Related Art Conventionally, a GPS rescue system disclosed in Japanese Patent Application Laid-Open No. 5-203720 is known.

FIG. 4 shows the construction of a conventional rescue system. The rescue system comprises a position detecting means by a GPS receiver and a notifying means for notifying a distress by radio waves in the VHF band. When a ship is in distress, a distress signal is automatically or manually generated. This signal is formed in a predetermined data format, and the call sign of the ship in distress and the GPS receiver 41
The location information and the clock information obtained from are included. This signal is transmitted from the ship by the VHF radio device 42 in the VHF band radio wave and received by the coastal station 43.

The Gulf station 43 immediately contacts the search and rescue organization 44 using a dedicated line, and rescue is started by the rescue boat 45. Further, when the aircraft 46 receives the distress signal, the aircraft 46 transfers it to the aviation station 47, and contacts the search and rescue organization 44 using the line.

[0005]

However, in the above-mentioned conventional rescue system, since it is arranged to give an instruction to the rescue agency after receiving the rescue signal at the Gulf station, it takes time to send the rescue boat to the disaster site. At the same time, there is a problem that complicated procedures are required. The present invention solves the above-mentioned conventional problems, and an object thereof is to provide a rescue system capable of automatically selecting a rescue boat to a distress site at the same time as receiving a rescue signal and promptly guiding the rescue boat. To do. That is, it is an object of the present invention to provide an excellent rescue system that can shorten the time to rescue and simplify the procedure.

[0006]

In order to solve the above-mentioned problems, the present invention automatically selects the rescue boat with the closest distance to the distress position, and determines the direction and distance from the rescue boat departure position to the victim position. Is a rescue system that automatically calculates and automatically guides you to the vicinity of the distress position.

Another aspect of the present invention is a system equipped with a DGPS receiver capable of obtaining an extremely accurate distress position, so that the rescue boat can be safely brought near the victim.

As described above, it is possible to obtain an excellent rescue system capable of shortening the time until rescue and efficiently performing rescue activities.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION The invention according to claim 1 of the present invention comprises position detecting means for detecting the position of the victim by a GPS receiver, and notifying means for notifying the position of the victim by a wireless transmitter, Automatically select the rescue boat to rescue the victim,
This is a rescue system having an automatic guidance means for automatically guiding, and has an effect that the rescue agency that receives the distress notification can shorten the time until the rescue boat is selected and guided.

The invention according to claim 2 is the rescue system according to claim 1, which has a position detecting means for notifying the position of the victim by a DGPS receiver,
Since an extremely accurate position is calculated by the DGPS receiver, for example, an unmanned small rescue boat can be safely guided to the side of a victim and more effective rescue can be performed.

Hereinafter, an embodiment of the present invention will be described with reference to FIG.
This will be described with reference to FIG.

(First Embodiment) FIG. 1 shows a first embodiment of the present invention.
FIG. 1 shows the rescue system in which the GPS receiver 1 in FIG. 1 calculates the absolute position of the victim. The wireless transmitter 2 transmits the absolute position calculated by the GPS receiver 1 to the rescue system processing device 3. The rescue system processing device 3 automatically selects the nearest rescue boat 4 based on the received position of the victim, gives the direction and distance to the victim, and issues a start command. The rescue boat 4 sails based on the direction and distance received, and automatically reaches the sea area of the victim.

FIG. 2 shows a processing flow in the rescue system processing device 3 according to the first embodiment of the present invention.

The operation of the rescue system configured as described above will be described with reference to FIG. First, a person in distress is sent to the rescue system processing device 3 by the wireless transmitter 2
The latitude / longitude calculated by the PS receiver 1 is transmitted.

Upon receiving the latitude and longitude of the victim, the rescue system processing device 3 automatically selects the rescue boat 4 having the shortest distance to the victim's position among the rescue boats registered in advance and dispatches it. A signal is transmitted, and at the same time, the azimuth and distance from the position of the rescue boat 4 to the position of the victim is automatically calculated and transmitted. When the rescue boat 4 receives the dispatch signal and the information on the direction and distance to the victim, the rescue boat 4 automatically starts to sail to the sea area where the victim exists.

Next, the flow of processing in the rescue system processing device 3 will be described with reference to FIG. First, when the radio wave from the victim is received in step 21, the distance from each position to the victim is calculated for each of the n rescue boats registered in the system in step 22, and the rescue with the minimum value is performed in step 23. Select a boat.

In step 24, the direction / distance from the selected rescue boat to the victim is calculated, and the direction / distance from the rescue boat to the victim is transmitted as information to the rescue boat together with the dispatch signal.

In step 25, the direction and distance from the position of the rescue boat dispatched to the victim is calculated at any time, and step 2
Send the calculated information to the rescue boat in 6 and guide to the destination. In step 27, it is determined whether the rescue boat has reached the destination based on the remaining distance. When the rescue boat reaches the destination, the automatic guidance ends in step 28.

As described above, according to the first embodiment of the present invention, the nearest rescue boat is automatically selected from the absolute position of the GPS receiver received from the victim, and the selected rescue boat is selected. By providing the system with a rescue system processing device that sends the location information of the victim to automatically rush to the scene of the disaster, when the victim is in an emergency, the most suitable rescue in a short time You can express the boat.

(Second Embodiment) FIG. 3 shows a rescue system according to a second embodiment of the present invention, which is another invention, in which the DGPS receiver 31 accurately determines the position of the victim. It is to be calculated. The wireless transmitter 32 is a DG
The absolute position calculated by the PS receiver 31 is transmitted to the rescue system processing device 33. Rescue system processor
33 automatically selects the nearest small unmanned rescue boat 34 based on the position of the received victim, and
It gives a distance and automatically issues a start command. The small unmanned rescue boat 34 navigates based on the received direction and distance,
It automatically reaches the side of the victim. Also, D
The GPS base station 35 provides the GPS satellite error correction information to the DGPS receiver 31.

The operation of the rescue system configured as described above will be described with reference to FIG. First, the victim receives a radio transmitter 32 to the rescue system processor 33,
DGP based on the correction information transmitted from the GPS base station 35
It transmits the extremely accurate latitude and longitude calculated by the S receiver 31.

Receiving the latitude and longitude of the victim, the rescue system processing device 33 automatically selects the small unmanned rescue boat 34 having the shortest distance to the victim's position among the small unmanned rescue boats registered in advance. A dispatch signal is selected and transmitted, and at the same time, the azimuth and distance from the position of the small unmanned rescue boat 34 to the position of the victim is automatically calculated and transmitted.

When the small unmanned rescue boat 34 receives the dispatch signal and the information on the direction and distance to the victim, it automatically starts sailing beside the victim.

As described above, according to the second embodiment of the present invention, the DG capable of calculating the extremely accurate position of the victim.
By installing a PS receiver in the system, the rescue boat can be guided safely and automatically to the immediate vicinity of the victim. For example, if many small unmanned rubber boats are used as rescue boats, it will be more efficient and convenient. You can set up a rescue system.

In the above description, the rescue system is composed of a small unmanned rescue boat, but other rescue media can be implemented in the same manner.

[0026]

As described above, the present invention automatically selects the nearest rescue boat from the absolute position of the GPS receiver received from the victim and transmits the position information of the victim to the selected rescue boat. By providing the system with a rescue system processing device that automatically rushes to the distressed site, the most suitable rescue boat can be rushed in a short time when the person in need has an emergency. The effect is obtained.

Also, in another invention, by providing the system with a DGPS receiver capable of calculating the extremely accurate position of the victim, the rescue boat can be automatically guided to the immediate vicinity of the victim. For example, if a large number of small unmanned inflatable boats are used as rescue boats, there is an effect that a rescue system can be assembled more efficiently and simply.

[Brief description of drawings]

FIG. 1 is a system configuration diagram of a rescue system according to a first embodiment of the present invention,

FIG. 2 is a processing flow chart of the automatic guide means (rescue system processing device) of the rescue system according to the first embodiment of the present invention;

FIG. 3 is a system configuration diagram of a rescue system according to a second embodiment of the present invention,

FIG. 4 is a system configuration diagram of a conventional rescue system.

[Explanation of symbols]

 1 Position detecting means (GPS receiver) 2, 32 Notification means (wireless transmitter) 3, 33 Automatic guidance means (rescue system processing device) 4, 34, 45 Rescue boat 31 Position detecting means (DGPS receiver) 35 DGPS base Station 41 GPS receiver 42 VHF radio 43 Gulf station 44 Search and rescue agency 46 Aircraft 47 Aviation station

Claims (2)

[Claims] 1. A position detecting means for detecting the position of a victim by a GPS receiver, a notifying means for notifying the position of the victim by a wireless transmitter, and a rescue boat for rescue of the victim, which is automatically guided. Rescue system with automatic guidance means for. 2. The rescue system according to claim 1, further comprising position detecting means for notifying the position of the victim by a DGPS receiver.