132results about How to "Improve search and rescue efficiency" patented technology

The invention relates to the technical field of wireless communication, in particular to an unmanned aerial vehicle and a search and rescue positioning method for the unmanned aerial vehicle. The unmanned aerial vehicle comprises a wireless signal detection module, a main control processing module and a plurality of directional antennas, wherein the wireless signal detection module can be used for building connection with a ground terminal and receiving signals sent by the ground terminal through the multiple directional antennas in the different directions, and accordingly the intensity of the signals is determined; the main control processing module determines the motion vector corresponding to the unmanned aerial vehicle according to the signal intensity vector corresponding to the multiple directional antennas, accordingly, the motion direction is determined, and the unmanned aerial vehicle is controlled to move in the motion direction. The unmanned aerial vehicle can detect a signal of a ground terminal carried on a searched and rescued person, automatically determine the moving direction and fly through the self-contained wireless signal detection module and the self-contained directional antennas, thus, the unmanned aerial vehicle can automatically adjust the flight path and quickly determine the position of the searched and rescued person without being controlled to fly manually, and the unmanned aerial vehicle has quick search capacity and higher rescue efficiency.

The invention relates to a system of monitoring fishing boats for anti-collision alarm, which is a new system for fishing boats on the sea to monitor the condition of boats around in real time, realize anti-collision alarm and avoid net lost. The information of boats around is obtained by adopting a communication computer in the private communication channel in the fishery of our country and information of boats with an AIS system is received through AIS. The system consists of a reception portion, an input and output interface portion, a data processing portion, a data storing portion and a display portion. Information about fishing boats and merchant ships on the sea is received through the reception interface portion for data analysis and judgment processing through a data processing centre to realize remote control, inquiry and tracking to the fishing boats and merchant ships around. Relevant data such as the sailing direction and speed of the boats is displayed on an electronic sea chart of the computer in real time. Real-time alarm is given to boats in the preset alarm range to achieve the aim of avoiding terrible accidents such as collision and net lost so as to ensure safe production and sailing of fishing boats.

The invention discloses a crew maritime intra-cabin positioning, vital sign monitoring and searching-rescuing method based on a crew maritime intra-cabin positioning, vital sign monitoring and searching-rescuing system. The system comprises a command center server, an electronic fence transmitter, a crew vital sign real-time monitor, a crew real-time positioner, a shipboard personnel positioning processor and an overboard personnel positioner. According to the method, the vital sign real-time monitor for a single crew member, the shipboard and overboard personnel real-time positioners as well as wounded personnel vital sign and positioning data transmission are researched on the basis of such modern information technologies as AIS (automatic identification system), UWB (ultra-wide band), compass navigation positioning and the like, so that the automation of maritime wounded personnel vital sign monitoring, the electronization of information storage, the networking of information transmission and the visualization wounded personnel rescuing are achieved.

The invention discloses a downhole multifunctional personnel location distress system which comprises a location server, a monitoring terminal, a wire communication subsystem, wireless communication base stations and a distress calling device. The wire communication subsystem mainly comprises optical fibers, an optical splitter and a wireless switch. Each wireless communication base station comprises an explosion-proof box, a power supply, a standby battery, a wireless access device, an antenna isolator and antennas. The distress calling device comprises an acquisition subsystem, a location subsystem, a communication subsystem, a display subsystem, a control subsystem and a storage subsystem. The wireless communication base stations are arranged in the pit at intervals and are connected with the wireless switch and the location server through the optical fibers. The distress calling device and the wireless communication base stations are in bidirectional communication based on a wireless mode. The distress calling device can be located accurately. The downhole multifunctional personnel location distress system can be used to monitor a person using the distress calling device, has multiple distress calling functions, can support search-and-rescue when existing communication facilities are damaged and do not work, and is a synthetic system integrating mine personnel tracking and locating, dispatching management, and distress call and search-and-rescue after disasters.

The invention discloses a mobile terminal positioning method, equipment and system. The method comprises the following steps that a first type mobile terminal sends a first message to a second type mobile terminal, the first type mobile terminal receives a second message returned by the second type mobile terminal, and the second message carries the WIFI (wireless fidelity) signal intensity information PM_Qs of the second type mobile terminal; the first type mobile terminal sends a third message to a center processor, and the third message carries the WIFI signal intensity information PM_Qs, the WIFI signal intensity information R_Qs of the first type mobile terminal and the receiving signal intensity information PM_Qr when the first type mobile terminal receives the information of the second type mobile terminal; the center processor uses the WIFI signal intensity information PM_Qs, the WIFI signal intensity information R_Qs and the receiving signal intensity information PM_Qr for positioning the second type mobile terminal. In the embodiment, the method, the equipment and the system can help searching personnel to automatically and fast position a searched object in a certain range, the searching and rescue efficiency is improved, and the method, the equipment and the system can be used in the fields of outdoor searching and rescue, emergency dealing and the like.

The invention discloses an integrated underwater searching and rescuing robot. The integrated underwater searching and rescuing robot comprises a shell, a control system, a sensing system, an action system, a searching and alarming system, a rescuing system, a positioning and communication system, a buoyancy system and a power supply system, wherein the shell is spherical; the control system comprises a maritime control system, a processor, a relay, a driver and the like; the sensing system is composed of various sensors; the action system comprises a horizontal propeller and a vertical propeller; the searching and alarming system comprises an infrared thermal imaging system, a light source, an imaging sonar, an alarm and the like; and the rescuing system comprises a rescuing airbag, judgment equipment, triggering equipment, a gas generator and the like. The integrated underwater searching and rescuing robot has the beneficial effects that the size is small and action is rapid and flexible; a searching and rescuing manner is timely and effective and moderate and additional dangers to persons in distress are not caused; the infrared thermal imaging system is combined with the imaging sonar so that the accuracy is improved and influences caused by the environment are small; and an integrated searching and rescuing system can be used for initiatively searching and rescuing underwater, and the searching and rescuing efficiency and the success rate are improved.

The invention belongs to the technical field of rescuing of multiple underground robots, relates to an application of combining manual intelligence with robot technology, and particularly relates to a biostimulation neural network device and method for jointly rescuing by multiple underground robots. The device comprises robots, a radio frequency reader, a camera, an ultrasonic transducer, a wireless communication system, a storage device, a position radio frequency label and a ground rescuing decision-making system. The method comprises the following steps of: applying the radio frequency label to the underground position marking, and utilizing a biostimulation neural network method to implement the rescuing of multiple robots. When a mining accident occurs, the underground rescuing can be quickly finished, an underground real-time map can be established and the best rescuing route can be made. The device and the method provided by the invention have great practical significance and application value in rescuing people in an underground accident, such as a coal mine accident, and the like.

Provided is a fire hazard on-site monitoring and fireman positioning system. The system comprises a mobile node carried by a fireman, a reference node arranged at a fire hazard site, and an on-site command center for receiving the signals of the mobile node and the reference node, and a fire-fighting command center. The mobile terminal is composed of a wireless sensing node and a wireless router node; the wireless sensing node and the wireless router node are formed by integrating a sensor into a wireless transmission module; the reference node is composed of a sensor and an emitter antenna; the on-site command center comprises a fire fighting truck and a police car; the fire fighting truck and the police car are provided with center fire-fighting command car vehicle-mounted systems; each vehicle-mounted system is composed of a data video communication device, a video interface sharing device, an infrared device and an antenna sensing network; the wireless sensing network is electrically connected with the data video communication device, the video interface sharing device and the infrared device; and the mobile node, the reference node and the wireless sensing network are connected via radio.

The invention provides a method for positioning nodes of a wireless sensor network for maritime search and rescue. The method comprises the steps of calculating the initial positioning position information of a selected beacon node which is closest to the position of a target node and has the same movement state through maximum likelihood estimation positioning algorithm; correcting the initial positioning position information of the selected beacon node for the first time to obtain the position information of the selected beacon node after first correcting; correcting the coordinate error of the position information of the selected beacon node after first correction to obtain the final position of the selected bean node; correcting the initial positioning position information of the target node, calculated by the maximum likelihood estimation positioning algorithm according to the final position of the selected beacon node and the first correction and coordinate error correction results, so as to obtain the final position of the target node. The method is adapted to marine wireless sensor network with relatively high dynamics, and can provide real-time and accurate node position information.

The invention belongs to the technical field of fire fighting equipment, and in particular relates to a fireman rescue device with wireless direction-finding positioning function. The rescue device consists of a multi-radial wireless receiving circuit, a wireless transmission circuit, a single-chip microprocessor, a motion sensor, a temperature sensor, an orientation indicator, a distance indicator, a sound alarm device and a power source, wherein the multi-radial wireless receiving circuit consists of a magnetic antenna group, a receiving control circuit, a filtering-amplifying circuit and an intermediate frequency receiving circuit; the wireless transmission circuit consists of the magnetic antenna group, a transmission drive circuit and a transmitting-frequency modulation circuit; the motion sensor, the temperature sensor, the orientation indicator, the distance indicator and the sound alarm device are connected with I/O ports of the single-chip microprocessor; and the power source is connected with the components to supply power. Due to the wireless direction-finding positioning function, the rescue device reduces rescue blindness in harsh environment and greatly improves rescue efficiency, thereby saving the lives of firemen to the utmost extent.

The invention discloses a rescue robot for underground coal mine safety rescue route detection. The rescue robot comprises a robot body, a travelling mechanism, an electric travelling drive mechanism and an electronic circuit board, an underground environmental information monitoring system, a GPS (global positioning system) positioning unit, a travelling direction monitoring unit, a data storage unit, a travelling route storage unit, a first processor, a second processor, a display unit, a remote wireless communication unit, a parameter setting unit are and clock circuit are arranged on the electronic circuit board, the data storage unit is stored with underground environmental information corresponding to multiple environmental danger levels, the first processor analyzes and processes information monitored by the underground environmental information monitoring system according to the information stored in the data storage unit and correspondingly judges environmental danger level at each travelling position, and the second data processor synchronously labels the underground environmental danger levels at all the travelling positions. The rescue robot is reasonable in structural design, simple and convenient to operate, high in intelligent degree, good in using effect, and capable of automatically and rapidly drawing a safety rescue route.

The invention relates to a maritime search and rescue tracking buoy based on Beidou communication, being characterized in that by beans of the principle of adjustable floating state of the buoy and drifting with the ocean current to throw the buoy into the sea after being started, and sends the position information of the buoy in real time with the ocean current movement, and visualizes the trajectory at the data receiving end to realize the tracking function. The invention can simulate the drifting trajectory of the person falling into the water when the person falling into the water cannot be salvaged in time, correct the predicted trajectory of the wind pressure drifting model, further provide a searching path, and realize the rapid positioning and salvage of the person falling into thewater. The invention adopts modular design, has various communication modes and lower cost, and has good industrial application prospect.

The invention discloses an omnidirectional biological radar-based two-dimensional CA-CFAR (cell average-constant false-alarm rate) human body random motion detection method. According to the method, a biological radar is utilized to detect human body random motion in a strong moving target interference environment, so that the detection and recognition of surviving targets can be realized, so that a new idea can be provided for radar detection for surviving targets; and with an intra-channel reference background and an environment reference background adopted as the two-dimensional threshold value of the two-dimensional CA-CFAR technique, comprehensive analysis and judgment are carried out on the signals of the four-channel biological radar, so that accurate detection and recognition of human body random motion under outdoor moving target interference such as the blowing of wind and the movement of grasses can be realized, and the requirements of the life detection radar for search and rescue environments can be effectively reduced, and search and rescue efficiency can be improved.

The invention discloses a maritime search and rescue system based on an unmanned aerial vehicle, comprising an unmanned aerial vehicle, an intelligent wearable device and a console. When the intelligent wearable device loses the connection with the ship WIFI, the intelligent wearable device sends the body sign information and the position information of the wearer to the UAV and the console by thesatellite communication mode continuously, and the intelligent wearable device sends the information to the UAV through the wireless sensor at the same time; The console disconnects the wearable device WIFI, sends an alarm to the relevant personnel, provides the identity information of the missing person, and controls the unmanned aerial vehicle to enter the standby state. The relevant personnelconfirm the missing person through the information provided by the console, and start the search and rescue operation through the console button. The maritime search and rescue system based on the unmanned aerial vehicle (UAV) of the invention can find out that a person falls into the water earlier, and the UAV is applied to the maritime rescue, the search and rescue efficiency is higher, the speed is faster, and the work burden of the rescue personnel is smaller; And the system has high integrality, which simplifies the rescue task.

The invention discloses a robot rapid rescuing and positioning system for maritime search and rescue. The system comprises a power supply module, a navigation module, a first control host, a second control host, a searching module, and a control station. Under the assistance of sensors such as sonar sensors, infrared sensors, life detection instruments, and the like, a searching robot can automatically search and rescue persons in danger. When the position of a drowning person is roughly determined, a searching device plans an optimal rescue path based on an ant colony algorithm, the positionof the searching device, and the position of the drowning person; the drowning person can be rescued in time; the shortage of a conventional search method using naked eyes is overcome; facilities suchas infrared devices, radars, life detection instruments, and the like, are used to quickly search a drowning person, the drowning person can be rescued in time; and the property loss and casualties can be maximally reduced in maritime peril.

The invention discloses a system for improving the efficiency of rescue after a disaster and a prompter and operation method thereof. The system includes a safety exit indicator, a positioning module,a communication module, a power module, a sound acquisition module, a human body infrared sensor, a memory and a controller; the positioning module, the power module, the sound acquisition module, the human body infrared sensor and the memory are all installed in safety exit indicator. The positioning module, the sound acquisition module and the human body infrared sensor are communicated with the memory through the communication module respectively, and a positioning block is used for positioning the safe exit indicator; the sound acquisition module and the human body infrared sensor are used for collecting the information of rescuers after the disaster; the controller is communicated with the memory through the communication module, and the memory is used for data storage. The system has the functions of safety exit indication and post-disaster rescue assistance, can evacuate people in emergency situations, can improve the efficiency of the post-disaster rescue, and can effectivelyimprove the survival rate of victims.

The embodiment of the invention discloses a positioning transmission method and a terminal, and the method comprises: a first terminal obtaining an access permission for a second terminal; the first terminal sending a positioning information acquisition request instruction to the second terminal and receiving positioning information returned by the second terminal; the first terminal analyzing thepositioning information returned by the second terminal to obtain an analysis result; and the first terminal outputting corresponding early warning prompt information according to the analysis result. By means of the method, the first terminal can monitor the geographic position of the second terminal in real time, the geographic position can be found in time when a user of the second terminal encounters danger, automatic transmission of positioning information is achieved, and the search and rescue efficiency is improved.

The invention relates to an underwater robot, a platform used for water area search and rescue and an operation method of the platform. The underwater robot comprises a body part, multiple propellersarranged on the side face of the body part, a connecting device coupled through the end of an upper cover and a sensor system. The platform used for water area search and rescue including the above underwater robot comprises an unmanned boat sailing on the water surface or underwater and a control cabin loaded above the unmanned boat. The platform used for operating the above platform comprises the steps of receiving a release command, responding to the operation that the release command is released, releasing the underwater robot to a preset depth, responding to the operation that the underwater robot arrives at the preset depth and receiving a work command so that the underwater robot can work.

The invention provides an emergency call alarm system and method, and can be conveniently matched with an existing mobile communication terminal, thereby enhancing and expanding distress signals, and realizing active and timely call alarms. The abovementioned system includes a plurality of alarm devices, each alarm device includes a processor, an antenna, a band-pass filter, a wireless signal receiving unit, a wireless signal sending unit, a storage, a data exchange interface and a signal sending switch. The abovementioned method includes the following steps: a system is initialized; an active alarm device sends alarm information outwards; the alarm information is sent to a set object through a corresponding mobile communication terminal; a standby alarm device in an alarm system receives the alarm information, automatically controls a wireless signal sending unit to be turned on through a corresponding processor, and forwards the received alarm information; and at least three alarm devices which receive the alarm information in the alarm system form an ad hoc network, and position the active alarm device through an alarm signal, thereby completing an alarm.

Disclosed is an airborne information launching system. The airborne information launching system is mounted at the tail of an aircraft, a power supply in the aircraft is used at the front end of an empennage, and a built-in independent battery is arranged. Due to the facet that the system is mounted outside a cabin, personnel in the cabin cannot shut down the system, wireless signals are periodically sent outwards in real time, the system can be automatically separated from an airframe of the aircraft and continue working independently when aircraft accidents happen or the aircraft breaks down, and the system can float on water. The problems that an existing aircraft position monitor device or a communication system is easily shut down by criminals and loses efficacy when the aircraft is hijacked or a black box falls into a water bottom and cannot be found are effectively solved. Relevant departments can be helped to track the position of the aircraft in real time, the wrecked aircraft or the aircraft with contact lost can be located accurately, search and rescue efficiency is obviously improved, and casualties are reduced.

The invention relates to the technical field of unmanned aerial vehicle application, in particular to a method for implementing search and rescue by using an unmanned aerial vehicle-mounted EPIRB and photoelectric pod equipment, when EPIRB equipment is loaded on a loading machine of the unmanned aerial vehicle system to carry out a maritime patrol task, an airborne EPIRB is used for directly receiving distress alarm signals with the working frequency of 406 MHz sent by a ship-borne emergency radio position indicator (EPIRB) distress ship through manual or automatic starting within the action range of an air patrol sea area, and meanwhile optical image high-precision positioning is carried out on the distress ship in combination with image data obtained by airborne photoelectric pod equipment, and accident scene image data and information such as an identification number, a dangerous case type and high-precision position data of a ship in distress can be transmitted back to a search and rescue task control center through an unmanned aerial vehicle radio data chain, so that subsequent rescue work can be timely and quickly decided, deployed and carried out, the search and rescue efficiency is effectively improved, and the personnel and property loss is reduced.