CN112394369A - Airplane emergency communication and autonomous distress tracking method and system - Google Patents
Airplane emergency communication and autonomous distress tracking method and system Download PDFInfo
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- CN112394369A CN112394369A CN202011335740.2A CN202011335740A CN112394369A CN 112394369 A CN112394369 A CN 112394369A CN 202011335740 A CN202011335740 A CN 202011335740A CN 112394369 A CN112394369 A CN 112394369A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/14—Receivers specially adapted for specific applications
- G01S19/17—Emergency applications
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Abstract
The invention discloses a method and a system for airplane emergency communication and autonomous distress tracking, wherein the method comprises the following steps: acquiring airplane state parameters from a plurality of airborne systems in real time; based on the airplane state parameters, carrying out logic judgment on whether the airplane is in danger or not; when the logically judged signal is the situation without distress, the aircraft information is automatically sent to the ground monitoring system at fixed time intervals through a communication module arranged in the airborne autonomous distress tracking device, and when the aircraft is in the situation with distress, the distress emergency positioning and transmitting function is automatically started through the airborne autonomous distress tracking device. According to the airplane emergency communication and autonomous distress tracking method and system, the satellite navigation emergency communication function and the emergency positioning transmitter function of the existing civil aircraft are integrated, so that the aircraft can realize real-time tracking under normal and distress conditions, and the positioning precision can be improved; and meanwhile, two functions/devices are integrated, so that the miniaturization and the portability of the system are realized.
Description
Technical Field
The invention relates to an aircraft emergency communication and autonomous Distress tracking method and System, in particular to an airborne autonomous Distress tracking method and System in a Global Aviation Distress and Safety System (GADSS), belonging to the field of aircraft data communication.
Background
In recent years, sudden aircraft loss of connection events (such as the aircraft loss of connection event of the malaysia airline in 2014) have caused great shock globally, and civil aviation safety management problems have met with unprecedented challenges. In order to solve the problem, the International Civil Aviation Organization (ICAO) provides the concept of Global Aviation Distress and Safety System (GADSS) operation, determines the strategic plan for developing global aircraft tracking, aims to provide support for aircraft search and rescue and accident investigation work, and simultaneously provides the aims of timely acquiring the position of the aircraft, simplifying the positioning program of the aircraft, realizing the sharing of the position information of the aircraft and the like by utilizing the prior art.
At present, about 97% of the transport Aircraft of civil aircrafts are equipped with Aircraft Communication Addressing and Reporting Systems (ACARS), and at the present stage, hardware conditions for routine Aircraft tracking monitoring on international flights and flights operating in remote areas by using ACARS position Reporting are met.
For example, in chinese patent application CN105353387A entitled "an emergency positioning device based on the first generation of beidou and the second generation of beidou", an aircraft emergency positioning device is disclosed, which mainly comprises a host and a handheld inquiry device, and communicates with a ground handheld inquiry device in a short message form, so that a positioning function can be realized, and the disadvantage that a GPS cannot be used due to interference in wartime is avoided. However, it is mainly the design of the emergency positioning device itself, and the function is single, and there is still need to improve the positioning accuracy.
Therefore, there is a need for a method and system for airplane emergency communication and autonomous distress tracking that can improve the positioning accuracy.
Disclosure of Invention
The invention aims to overcome the defects that the emergency positioning equipment in the prior art has single function and needs to be improved in positioning precision, and provides a novel airplane emergency communication and autonomous distress tracking method and system.
The invention solves the technical problems through the following technical scheme:
the invention provides an aircraft emergency communication and autonomous distress tracking method, which is characterized by comprising the following steps:
acquiring airplane state parameters from a plurality of airborne systems in real time;
based on the airplane state parameters, carrying out logic judgment on whether the airplane is in danger or not;
when the logically judged signal is the situation without distress, the aircraft information is automatically sent to a ground monitoring system at fixed time intervals through a communication module arranged in the airborne autonomous distress tracking device, and when the aircraft is in the situation with distress, the distress emergency positioning and transmitting function is automatically started through the airborne autonomous distress tracking device, namely the aircraft position and international coordination time information sent by a satellite navigation communication system are received through a communication module arranged in the airborne autonomous distress tracking device, and the position information of equipment is continuously transmitted on the international search and rescue frequency.
According to an embodiment of the present invention, further comprising: when the aircraft is in distress, the function of automatically starting emergency positioning and transmitting in distress through the airborne autonomous distress tracking device comprises the following steps:
when the onboard autonomous distress tracking device can receive the signal of the logic judgment, automatically starting a distress emergency positioning and transmitting function based on the condition that the signal of the logic judgment is a distress condition;
when the onboard autonomous distress tracking device cannot receive the signal of the logic judgment, when the speed and/or the acceleration detected by the acceleration detection device arranged in the onboard autonomous distress tracking device reach a certain quantitative value, the distress emergency positioning and transmitting function is automatically started.
According to an embodiment of the present invention, further comprising: when the crew detects that the aircraft encounters a dangerous condition, the manual trigger switch is operated to manually trigger the emergency location launching function in distress.
According to one embodiment of the invention, a satellite navigation positioning chip is arranged in the airborne autonomous distress tracking device.
According to one embodiment of the invention, a storage battery serving as an emergency battery is arranged in the onboard autonomous distress tracking device, and when the situation of distress of the aircraft is judged, the storage battery supplies power to the onboard autonomous distress tracking device.
The invention also provides an aircraft emergency communication and autonomous distress tracking system, which is characterized by comprising:
a plurality of on-board systems;
the distress logic judgment circuit acquires airplane state parameters from the plurality of airborne systems in real time and performs logic judgment on whether the airplane is in distress or not based on the airplane state parameters; and
and when the logically judged signal is the non-distress condition, the airborne autonomous distress tracking device automatically sends aircraft information to a ground monitoring system at a fixed time interval, and when the aircraft is in the distress condition, the distress emergency positioning and transmitting function is started, namely the airborne autonomous distress tracking device receives the aircraft position and international coordination time information sent by a satellite navigation communication system through a communication module arranged in the airborne autonomous distress tracking device and continuously transmits the position information of equipment on the international search and rescue frequency.
According to one embodiment of the invention, the onboard autonomous distress tracking device is internally provided with an acceleration detection device,
when the airborne autonomous distress tracking device can receive the signal of the logic judgment, the distress emergency positioning and transmitting function is automatically started based on the condition that the signal of the logic judgment is in distress;
when the airborne autonomous distress tracking device cannot receive the signal of the logic judgment, the emergency positioning and transmitting function in distress is automatically started when the speed and/or the acceleration detected by the built-in acceleration detection device reaches a certain quantitative value.
According to one embodiment of the invention, the emergency positioning system further comprises a manual trigger switch, and when the crew detects that the aircraft encounters a dangerous condition, the manual trigger switch is operated to manually trigger the emergency positioning and transmitting function in danger.
According to one embodiment of the invention, a satellite navigation positioning chip and a storage battery serving as an emergency battery are arranged in the airborne autonomous distress tracking device, and when the situation of distress of the airplane is judged, the storage battery supplies power to the airborne autonomous distress tracking device.
According to one embodiment of the invention, the distress logic determining circuit is integrated with the onboard autonomous distress tracking device.
On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.
The positive progress effects of the invention are as follows:
according to the airplane emergency communication and autonomous distress tracking method and system, the satellite navigation emergency communication function and the emergency positioning transmitter function of the existing civil aircraft are integrated, so that the aircraft can realize real-time tracking under normal and distress conditions, and the positioning precision can be improved; and meanwhile, two functions/devices are integrated, so that the miniaturization and the portability of the system are realized.
Drawings
Fig. 1 is a schematic view of a scenario of an aircraft emergency communication and autonomous distress tracking system in a non-distress situation of an aircraft according to a preferred embodiment of the present invention.
Fig. 2 is a schematic view of a scenario of an aircraft emergency communication and autonomous distress tracking system in a distress situation of an aircraft according to a preferred embodiment of the present invention (auto-triggering).
Fig. 3 is a schematic view (manually triggered) of the scenario of an aircraft emergency communication and autonomous distress tracking system in a distress situation of an aircraft according to a preferred embodiment of the present invention.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, is intended to be illustrative, and not restrictive, and it is intended that all such modifications and equivalents be included within the scope of the present invention.
First, an aircraft emergency communication and autonomous distress tracking system will be described.
Referring to fig. 1 to 3, an aircraft emergency communication and autonomous distress tracking system includes: the system comprises an onboard system 1, a central information processor 2, an onboard autonomous distress tracking device 3, an onboard antenna 4, an airplane power supply 7, an emergency power supply 8 and a control panel 10. The airborne system 1 is powered by an aircraft power supply 7 bus bar, and comprises an airborne system 1-1, an airborne system 1-2, an airborne system 1-3, and an airborne system 1-4 … …, and under the condition that no distinction is made, the airborne system 1-1 to the airborne system 1-n are collectively called the airborne system 1. For example, the onboard system 1-1 is a powerplant system that provides aircraft engine status information; the airborne system 1-2 is an atmospheric data system and provides longitude, latitude, altitude, airspeed, mach number and the like of a flight position; the airborne system 1-3 is a fuel system and provides the current oil quantity and the residual oil quantity of the airplane; the airborne system 1-4 is an inertial navigation system and provides information such as the attitude, the course, the speed, the acceleration and the like of the airplane; the airborne system 1-n is a radio altimeter, provides the ground clearance of the airplane, and ensures the flight safety of approach and landing. Of course, the onboard system may include various other systems, which are well known to those skilled in the art, and a detailed description thereof will be omitted.
The central information processor 2 is connected with the on-board system 1 through an on-board data bus (such as ARINC429 or 664 bus) and continuously receives the aircraft state parameters transmitted by the on-board system 1 (a plurality of on-board systems 1-1 to 1-n). As an example, the aircraft state parameters received by the central information processor 2 from the onboard system 1 include an engine state, a fuel amount, an engine thrust, and the like. The central information processor 2 judges whether the airplane is in a distress condition or not based on the received airplane state parameters, and sends a NORMAL command (or an equivalent command) to the onboard autonomous distress tracking device 3 when the airplane is judged to be in the distress condition, namely the airplane is in a NORMAL running state; when a distress condition is judged, namely the airplane is in a distress state, an 'EMERGENCY' command (or an equivalent command) is sent to the onboard autonomous distress tracking device 3. The central information processor 2 may be an aircraft condition monitoring system or an alarm system or a flight management system, depending on the model.
The onboard autonomous distress tracking device 3 is configured to be connected to the onboard system 1 via an onboard data bus (e.g., ARINC429 or 664 bus) and to the central information processor 2. The onboard autonomous distress tracking device 3 is internally provided with a satellite navigation positioning chip, an acceleration detection device, a communication module (which comprises a duplex working mode antenna) and an emergency battery 8.
When receiving a "NORMAL" command (or equivalent command) from the central information processor 2, the onboard autonomous distress tracking device 3 receives aircraft state parameters from the onboard system 1, performs data interaction with the satellite navigation communication system 5 through the onboard antenna 4, reports the current positioning information of the aircraft in real time in the form of short messages, and periodically (for example, at intervals of 5 minutes or other) sends real-time information to the ground base station 6 to realize positioning and tracking of the aircraft. As an example, the aircraft state parameters received by the onboard autonomous distress tracking apparatus 3 from the onboard system 1 include information such as fuel amount, fuel temperature, UTC (Coordinated Universal Time) Time, latitude and longitude information, speed, altitude, and the like.
When the central information processor 2 judges that the distress condition exists, an 'error command' (or equivalent command) is periodically sent to the onboard autonomous distress tracking device 3 until the distress condition is relieved. After receiving the "empty" command (or equivalent), the onboard autonomous distress tracking device 3 automatically starts the EMERGENCY mode. At this time, the onboard autonomous distress tracking device 3 receives UTC time and position information sent by the satellite navigation communication system 5 in a short message form through a built-in satellite navigation positioning chip, sends the current positioning information in real time through the onboard antenna 4, continuously transmits the position information of the equipment on the international search and rescue frequency (such as 121.500MHz, 243.000MHz or 406.000MHz), and sends the position information to the COSPAS/SARSAT international search and rescue satellite 9, so that positioning and tracking of the aircraft in distress are realized. The onboard autonomous distress tracking apparatus 3 transmits position information at a satellite communication frequency via a built-in communication module, more specifically, an antenna of the communication module, thereby realizing a dual transmission function and improving the reliability of the system.
The aircraft power supply 7 supplies power to the onboard autonomous distress tracking device 3 under normal conditions (namely, the aircraft is not in distress), the emergency battery 8 is arranged in the onboard autonomous distress tracking device 3 and is a storage battery such as a lithium battery, and the onboard autonomous distress tracking device 3 is supplied with power under distress.
The control panel 10 is connected with the airborne autonomous distress tracking device 3, is arranged in the cockpit of the aircraft, and is provided with an operating switch. When the aircraft crew actively detects that the aircraft encounters a dangerous situation, a distress triggering logic signal is generated by pulling the operating switch on the control panel 10, and the onboard autonomous distress tracking device 3 is controlled to start the emergency mode.
The emergency communication and autonomous distress tracking method of the present invention will be described with reference to fig. 1 to 3. The method comprises the following three scenes:
(1) the aircraft is not in danger and runs normally;
(2) automatically triggering when the aircraft is in danger;
(3) the aircraft is in a distress condition and is triggered manually.
Fig. 1 is a schematic view of a scenario of an aircraft emergency communication and autonomous distress tracking system in a non-distress situation of an aircraft according to a preferred embodiment of the present invention. As shown in fig. 1, under normal operating conditions (i.e., no distress), the onboard autonomous distress tracking device 3 is powered by an aircraft power supply 7. The central information processor 2 of the aircraft can continuously receive the aircraft state parameters sent by the onboard system 1, including the engine state, the fuel quantity, the engine thrust and the like. The central information processor 2 periodically sends a "NORMAL" command (i.e. a command indicating that the aircraft is operating normally) to the onboard autonomous distress tracking device 3 by judging the aircraft state parameters sent by the onboard system 1. The airborne autonomous distress tracking device 3 receives aircraft state information in the aircraft, such as fuel quantity, fuel temperature, UTC time, longitude and latitude information, speed, altitude and other information, performs data interaction with the satellite navigation communication system 5 through the airborne antenna 4, reports the current positioning information of the aircraft in a short message form in real time, and periodically (at intervals of 5 minutes or other) sends real-time information to the ground base station 6 to realize positioning and tracking of the aircraft.
Fig. 2 is a schematic view of a scenario of an aircraft emergency communication and autonomous distress tracking system in a distress situation of an aircraft according to a preferred embodiment of the present invention (auto-triggering). The situation is divided into the following scenes:
1) the onboard autonomous distress tracking device 3 can still receive the logic signal (i.e. "error command" or equivalent) sent by the central information processor 2 via the onboard bus
At this time, the central information processor 2 continuously receives and diagnoses the aircraft state parameters sent by the onboard system 1, and judges whether the aircraft is in a distress condition through logic analysis. Distress situations include, but are not limited to, the following: a) an abnormal posture; b) an abnormal speed; c) colliding with the ground; d) all engines lose thrust/propulsion completely.
If the aircraft is in a distress state, the central information processor 2 periodically sends an "EMERGENCY" instruction (i.e., an instruction indicating that the aircraft is in a distress state, hereinafter referred to as a "distress instruction") to the onboard autonomous distress tracking apparatus 3 until the distress condition is relieved. The onboard autonomous distress tracking device 3 automatically starts an emergency mode after receiving a distress command. At this time, the onboard autonomous distress tracking device 3 receives UTC time and position information sent by a satellite navigation communication system in a short message form through a built-in satellite navigation positioning chip, sends the current positioning information in real time through the onboard antenna 4, continuously transmits the position information of the equipment on the international search and rescue frequency (such as 121.500MHz, 243.000MHz or 406.000MHz), and sends the position information to the COSPAS/SARSAT international search and rescue satellite 9, so that positioning and tracking of the aircraft in distress are realized. The onboard autonomous distress tracking apparatus 3 transmits position information at a satellite communication frequency via a built-in communication module, more specifically, an antenna of the communication module, thereby realizing a dual transmission function and improving the reliability of the system.
2) The onboard autonomous distress tracking device 3 cannot receive the logic signal (i.e. the "empty" command (or equivalent) sent by the central information processor 2) through the onboard bus
In an emergency situation, for example, the central information processor 2 fails to send the distress logic command to the onboard autonomous distress tracking device 3 due to explosion, fire, etc. of the aircraft, the acceleration detection device inside the onboard autonomous distress tracking device 3 will operate. When the speed/acceleration is detected to reach a certain quantitative value (for example, the common speed reaches 4.5fps +/-05 fps, or the acceleration reaches 2.5g), the airborne autonomous distress tracking device 3 is automatically activated, receives UTC time and position information sent by a satellite navigation communication system in a short message mode through a built-in satellite positioning chip, sends current positioning information in real time through an airborne antenna 4, continuously transmits the position information of equipment on international search and rescue frequencies (such as 121.500MHz, 243.000MHz or 406.000MHz), and sends the position information to a COSPAS/SARSAT international search and rescue satellite 9, so that positioning and tracking of the aircraft in distress are realized. The onboard autonomous distress tracking apparatus 3 transmits the position information to the satellite navigation communication system 5 at the satellite communication frequency through the built-in communication module, more specifically, the antenna of the communication module, thereby realizing the dual transmission function and improving the reliability of the system. Because the communication module integrated in the airborne autonomous distress tracking device 3 comprises the receiving-transmitting duplex working mode antenna, the airplane can automatically transmit a positioning signal to the ground monitoring equipment after being in distress.
In the invention, the onboard autonomous distress tracking device 3 is provided with a storage battery, namely an emergency power supply 8 for supplying power, after the aircraft power supply 7 is lost, the emergency power supply 8 provides a working power supply for the onboard autonomous distress tracking device 3, and the onboard autonomous distress tracking device 3 and the emergency power supply 8 are designed integrally.
The airborne autonomous distress tracking device 3 is provided with an independent power supply, namely an emergency power supply 8, and can still send out position and time information for positioning by means of a built-in satellite navigation positioning chip when the state parameters of the aircraft are lost for tracking and accident investigation, so that the search and rescue efficiency after distress is greatly improved.
Fig. 3 is a schematic view (manually triggered) of the scenario of an aircraft emergency communication and autonomous distress tracking system in a distress situation of an aircraft according to a preferred embodiment of the present invention. After the aircraft is powered on, the onboard autonomous distress tracking device 3 is in a standby state, when the operating switch on the control panel 10 is manually operated and receives an activation signal of the control panel 10, the onboard autonomous distress tracking device 3 is activated, regardless of whether the central information processor 2 sends a "NORMAL" command or an "EMERGENCY" command, the onboard autonomous distress tracking device 3 receives UTC time and position information sent by the satellite navigation communication system in a short message form through a built-in satellite navigation positioning chip, sends the current positioning information in real time through the onboard antenna 4, continuously transmits the position information of the device on an international search and rescue frequency (such as 121.500MHz, 243.000MHz or 406.000MHz), and sends the position information to the COSPAS/SARSAT international search and rescue satellite 9, and sends the position information to the satellite navigation communication system 5 through a built-in communication module, more specifically an antenna of the communication module, at the satellite communication frequency, and positioning and tracking of the aircraft in distress are realized.
It should be noted that the onboard autonomous distress tracking device 3 must only be able to shut down the function using the same mechanism that started the function (it cannot be shut down manually after automatic start-up; similarly, manually initiated transmissions can only be shut down manually).
It should be noted that the onboard autonomous distress tracking device 3 of the present invention may be designed as an integrated device containing an audible or visual alarm for identification by the flight crew.
It should be noted that, in the activation mode of the onboard autonomous distress tracking apparatus 3 of the present invention, the priority of the manual trigger should be higher than that of the automatic trigger.
It should be noted that the central information processor 2 and the onboard autonomous distress tracking device 3 in the present invention may be integrated together, that is, after the onboard autonomous distress tracking device 3 receives the status information of the onboard system 1, the onboard autonomous distress tracking device directly makes judgment of distress logic to determine whether to start the emergency positioning mode.
In the above description, the preferred embodiment of the present invention has been described, and the central information processor 2 performs the logical judgment of the presence or absence of a distress of the aircraft, and substantially functions as a distress logical judgment circuit.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. An aircraft emergency communication and autonomous distress tracking method is characterized by comprising the following steps:
acquiring airplane state parameters from a plurality of airborne systems in real time;
based on the airplane state parameters, carrying out logic judgment on whether the airplane is in danger or not;
when the logically judged signal is the situation without distress, the aircraft information is automatically sent to a ground monitoring system at fixed time intervals through a communication module arranged in the airborne autonomous distress tracking device, and when the aircraft is in the situation with distress, the distress emergency positioning and transmitting function is automatically started through the airborne autonomous distress tracking device, namely the aircraft position and international coordination time information sent by a satellite navigation communication system are received through a communication module arranged in the airborne autonomous distress tracking device, and the position information of equipment is continuously transmitted on the international search and rescue frequency.
2. The aircraft emergency communication and autonomous distress tracking method of claim 1,
when the aircraft is in distress, the function of automatically starting emergency positioning and transmitting in distress through the airborne autonomous distress tracking device comprises the following steps:
when the onboard autonomous distress tracking device can receive the signal of the logic judgment, automatically starting a distress emergency positioning and transmitting function based on the condition that the signal of the logic judgment is a distress condition;
when the onboard autonomous distress tracking device cannot receive the signal of the logic judgment, when the speed and/or the acceleration detected by the acceleration detection device arranged in the onboard autonomous distress tracking device reach a certain quantitative value, the distress emergency positioning and transmitting function is automatically started.
3. An aircraft emergency communication and autonomous distress tracking method according to claim 1 or 2, further comprising:
when the crew detects that the aircraft encounters a dangerous condition, the manual trigger switch is operated to manually trigger the emergency location launching function in distress.
4. The aircraft emergency communication and autonomous distress tracking method of claim 3,
and a satellite navigation positioning chip is arranged in the airborne autonomous distress tracking device.
5. The aircraft emergency communication and autonomous distress tracking method of claim 3,
the onboard autonomous distress tracking device is internally provided with a storage battery serving as an emergency battery, and when the situation that the airplane is in distress is judged, the storage battery supplies power to the onboard autonomous distress tracking device.
6. An aircraft emergency communication and autonomous distress tracking system, comprising:
a plurality of on-board systems;
the distress logic judgment circuit acquires airplane state parameters from the plurality of airborne systems in real time and performs logic judgment on whether the airplane is in distress or not based on the airplane state parameters; and
and when the logically judged signal is the non-distress condition, the airborne autonomous distress tracking device automatically sends aircraft information to a ground monitoring system at a fixed time interval, and when the aircraft is in the distress condition, the distress emergency positioning and transmitting function is started, namely the airborne autonomous distress tracking device receives the aircraft position and international coordination time information sent by a satellite navigation communication system through a communication module arranged in the airborne autonomous distress tracking device and continuously transmits the position information of equipment on the international search and rescue frequency.
7. The aircraft emergency communication and autonomous distress tracking system of claim 6,
an acceleration detection device is arranged in the airborne autonomous distress tracking device,
when the airborne autonomous distress tracking device can receive the signal of the logic judgment, the distress emergency positioning and transmitting function is automatically started based on the condition that the signal of the logic judgment is in distress;
when the airborne autonomous distress tracking device cannot receive the signal of the logic judgment, the emergency positioning and transmitting function in distress is automatically started when the speed and/or the acceleration detected by the built-in acceleration detection device reaches a certain quantitative value.
8. An aircraft emergency communication and autonomous distress tracking system according to claim 6 or 7,
the emergency positioning and launching system further comprises a manual trigger switch, and when the crew detects that the airplane encounters a dangerous condition, the manual trigger switch is operated to manually trigger the emergency positioning and launching function in danger.
9. The aircraft emergency communication and autonomous distress tracking system of claim 8,
the onboard autonomous distress tracking device is internally provided with a satellite navigation positioning chip and a storage battery serving as an emergency battery, and when the situation that the airplane is in distress is judged, the storage battery supplies power to the onboard autonomous distress tracking device.
10. An aircraft emergency communication and autonomous distress tracking system according to claim 6 or 7,
the distress logic judging circuit and the airborne autonomous distress tracking device are integrated together.
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| CN106470067A (en) * | 2015-08-21 | 2017-03-01 | 波音公司 | Alarm from aircraft is sent to method, the apparatus and system of search and rescue system |
| CN106548534A (en) * | 2015-08-21 | 2017-03-29 | 波音公司 | For reporting the method and apparatus of the status information of aircraft |
| CN110418289A (en) * | 2019-07-24 | 2019-11-05 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | A kind of airborne positioning terminal of Beidou, Plane location and automatic warning system and aircraft |
| CN111724630A (en) * | 2019-03-22 | 2020-09-29 | 波音公司 | Autonomous distress tracking using broadcast auto-correlation monitoring |
| CN111968408A (en) * | 2020-05-29 | 2020-11-20 | 中国民用航空总局第二研究所 | Multi-system emergency distress signal monitoring method |
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| JPH05203720A (en) * | 1991-03-08 | 1993-08-10 | Mitsubishi Electric Corp | Distress rescue system |
| CN106470067A (en) * | 2015-08-21 | 2017-03-01 | 波音公司 | Alarm from aircraft is sent to method, the apparatus and system of search and rescue system |
| CN106548534A (en) * | 2015-08-21 | 2017-03-29 | 波音公司 | For reporting the method and apparatus of the status information of aircraft |
| CN105338494A (en) * | 2015-11-26 | 2016-02-17 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | Aviation emergency locator beacon device based on Beidou |
| CN111724630A (en) * | 2019-03-22 | 2020-09-29 | 波音公司 | Autonomous distress tracking using broadcast auto-correlation monitoring |
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