CN108447482B - Unmanned aerial vehicle voice communication control system - Google Patents
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Abstract
The invention discloses an unmanned aerial vehicle voice communication control system which comprises an airborne end and a ground end, wherein the airborne end and the ground end are connected through an unmanned aerial vehicle ground-air data link, two-way communication is established between the airborne end and an aviation radio station, and the airborne end identifies a voice command from the aviation radio station, converts the voice command into an aviation standard command and sends the aviation standard command to the ground end; the ground end presents the instruction processed by the airborne end, then collects the voice information of the unmanned aerial vehicle operator for recognition, converts the voice information into an aviation standard instruction and returns the aviation standard instruction to the airborne end; and the airborne terminal converts the aviation standard instruction returned by the ground terminal into a voice signal used by an aviation radio station and transmits the voice signal back. The invention enables the unmanned aerial vehicle to participate in the aviation traffic activity under the condition of not increasing the burden of a controller, realizes language translation and instruction standardization work through automatic voice automatic identification instructions, and is beneficial to improving the flight efficiency and the airspace utilization efficiency and enhancing the flight safety.
Description
Technical Field
The invention relates to the field of air-ground communication systems, in particular to an unmanned aerial vehicle voice communication control system, which utilizes a voice recognition technology to realize communication between a controller and an unmanned aerial vehicle operator through an air radio station, provides communication efficiency, reduces communication burden of the controller and realizes conversion of different languages.
Background
The Unmanned plane is an Unmanned Aerial Vehicle (called Unmanned Aerial Vehicle) for short, and the Unmanned plane comprises an Unmanned helicopter, a fixed wing aircraft, a multi-rotor aircraft, an Unmanned airship and an Unmanned parachute-wing aircraft, wherein the Unmanned helicopter is an Unmanned Aerial Vehicle and utilizes a radio remote control device and a self-contained program control device.
The ground-air data link of the unmanned aerial vehicle is a very important component of the unmanned aerial vehicle, is a neural network for the unmanned aerial vehicle to communicate with the outside, and maintains the information exchange between the unmanned aerial vehicle in the air and the ground control station.
The illegal flight of the unmanned aerial vehicle not only affects the life and property safety of people, but also public safety, flight safety and even national safety, and according to the data display of civil aviation departments, 4 unmanned aerial vehicle interference events occur in the whole country in 2015, and 2016 is fiercely increased to 23; in 2017, only in the middle of 1 month to 2 months in this year, 12 incidents of threat of civil aviation safety caused by illegal operation of unmanned aerial vehicles occur, wherein 7 incidents cause flight adjustment, avoidance, standby landing and delay.
At present, the monitoring technology of the unmanned aerial vehicle is continuously improved, and through technical means such as ADS-B and an unmanned aerial vehicle self-positioning system, a supervisor can already master the position of the unmanned aerial vehicle. But at present, no mature technical means is available for direct voice communication between unmanned aerial vehicle operators and supervisors through the existing civil aviation land-air communication means. The cost of system modification is increased by adding new communication equipment, and the burden of a controller is increased.
Because the voice communication defects such as personnel accent problem, expressive ability problem and foreign language level problem can cause language ambiguity, the misunderstanding of the voice communication is still an important factor causing aviation accidents
ADS-B: ADS-B is called automatically Dependent Surveillance-Broadcast, Chinese is Broadcast type Automatic relevant monitoring, as the name suggests, that is, without manual operation or inquiry, parameters can be automatically obtained from relevant airborne equipment to Broadcast information such as position, altitude, speed, course, identification number and the like of the airplane to other airplanes or ground stations, so that controllers can monitor the state of the airplane.
VHF air-ground communication: very high frequency VHF land-air communication (118MHz-137MHz) is an important means for the air management system to effectively control the airspace of the aircraft.
Disclosure of Invention
The invention aims to solve the technical problem of providing an unmanned aerial vehicle voice communication control system, wherein a voice communication channel of a controller, namely an unmanned aerial vehicle and an unmanned aerial vehicle operator is constructed through the system, so that the controller can directly control the unmanned aerial vehicle in an area through the existing voice communication means; in addition, through a voice recognition technology, automatic instruction recognition is carried out on the land-air voice communication, so that the two parties of the conversation can be helped to correctly understand the intention of the conversation, misunderstanding caused by reasons such as language, accent, expression modes and the like can be effectively avoided, and the voice communication quality can be improved; the commanded transmission also improves the efficiency of use of the communication link.
The invention provides an unmanned aerial vehicle voice communication control system for solving the technical problems, which comprises an airborne end and a ground end, wherein the airborne end and the ground end are connected through an unmanned aerial vehicle ground-air data link, bidirectional communication is established between the airborne end and an aviation radio station, and the airborne end identifies a voice command from the aviation radio station, converts the voice command into an aviation standard command and sends the aviation standard command to the ground end; the ground end presents the instruction processed by the airborne end, then collects the voice information of the unmanned aerial vehicle operator for recognition, converts the voice information into an aviation standard instruction and returns the aviation standard instruction to the airborne end; and the airborne terminal converts the aviation standard instruction returned by the ground terminal into a voice signal used by an aviation radio station and transmits the voice signal back.
In the voice communication control system for the unmanned aerial vehicle, the airborne terminal comprises a voice instruction transceiver, an airborne terminal instruction analysis computer, a digital instruction phonation converter, an airborne terminal instruction transceiver and an airborne terminal instruction storage device; the voice command transceiver is used for establishing two-way communication with the aviation radio station; the airborne terminal instruction analysis computer is used for converting voice into data information through a voice recognition technology, further converting the data information into an aviation standard instruction, informing the digital instruction voice converter of the currently recognized language type, and directly submitting response information to the digital instruction voice converter for replying for some basic queries; the digital instruction phonetization converter is used for analyzing the language type recognized by the computer according to the instruction of the airborne terminal from the instruction transceiver of the airborne terminal, converting the instruction information into the voice information used by the controller and transmitting the voice information to the voice instruction transceiver; the airborne terminal instruction transceiver is used for receiving information from the airborne terminal instruction analysis computer, transmitting the information to the ground terminal through an unmanned aerial vehicle ground-air data link, receiving the information from the ground terminal and processing the information by the digital instruction voice converter; and the airborne terminal instruction storage equipment is used for storing the instruction information transmitted by all airborne terminal instruction transceivers.
In the above unmanned aerial vehicle voice communication control system, the ground end includes a ground end instruction transceiver, a ground end instruction storage device, a ground end instruction analysis computer, an instruction presentation device, and a voice instruction acquisition device; the ground end instruction transceiver is used for receiving information from the ground end instruction analysis computer, transmitting the information to the airborne end through the ground-air data link of the unmanned aerial vehicle, receiving the information from the airborne end, and transmitting the information to the instruction presentation equipment and the ground end instruction analysis computer; the ground end instruction storage device is used for storing instruction information transmitted on all the ground end instruction transceivers; the ground end instruction analysis computer is used for analyzing information from the voice instruction acquisition equipment, transmitting the information to the ground end instruction transceiver and presenting the information by the instruction presentation equipment, and the instruction presentation equipment is used for receiving and presenting instructions from the ground end instruction transceiver and the ground end instruction analysis computer; the voice instruction acquisition equipment is used for acquiring voice information from an unmanned aerial vehicle operator and delivering the voice information to the ground end instruction analysis computer for processing.
Foretell unmanned aerial vehicle speech communication control system, wherein, establish two-way communication between voice command transceiver and the aviation radio station, the aviation radio station is VHF aviation radio station or HF aviation radio station.
In the above unmanned aerial vehicle voice communication control system, when the onboard end instruction analysis computer and the ground end instruction analysis computer cannot convert the voice recognition data information into the aviation standard instruction, the voice recognition data information is directly transmitted, and the response information can be directly sent to the digital instruction voice converter for replying to the basic inquiry.
In the above unmanned aerial vehicle voice communication control system, the presentation mode of the instruction presentation device includes voice playing, text display, graphic indication or animation simulation.
In the unmanned aerial vehicle voice communication control system, the airborne end instruction transceiver and the ground end instruction transceiver invoke the unmanned aerial vehicle ground-air data link in a entrusted transceiving or self-transceiving mode.
The ground end instruction analysis computer is in butt joint with the unmanned aerial vehicle control center, and can issue instructions to take over the control right of all unmanned aerial vehicles by the unmanned aerial vehicle control center, and the unmanned aerial vehicle control center issues respective flight instructions to each unmanned aerial vehicle according to the performance state, task targets and airspace control requirements of each unmanned aerial vehicle, so that the cooperative control of all unmanned aerial vehicles and the unmanned aerial vehicles in the region is realized.
In the voice communication control system for the unmanned aerial vehicle, the ground end instruction analysis computer automatically calculates an optimal flight path according to the destination coordinate information of the unmanned aerial vehicle, the prestored airspace control information and geographic information, and automatically sends a corresponding instruction to the unmanned aerial vehicle; in the flight process, the ground end instruction analysis computer inquires the position information of the unmanned aerial vehicle in real time and compares the position information with the current path, the airspace control information and the geographic information, and once the unmanned aerial vehicle deviates from the current path or enters the restricted airspace, the ground end instruction analysis computer automatically adjusts the path and sends a new instruction to the unmanned aerial vehicle in time.
In the unmanned aerial vehicle voice communication control system, when the destination is not reachable due to weather, airplane state, airspace control and/or terrain limitation in the flight process, the ground end instruction analysis computer timely notifies an operator and controls the unmanned aerial vehicle to return or land.
Compared with the prior art, the invention has the following beneficial effects: according to the voice communication control system for the unmanned aerial vehicle, the unmanned aerial vehicle is in contact with the controller and the unmanned aerial vehicle, other aircrafts and the unmanned aerial vehicle through the unmanned aerial vehicle own data link and the aviation voice communication radio station, so that unified management of the unmanned aerial vehicle is realized under the condition that the existing control system does not increase extra burden of controllers, and command identification is carried out on air-ground communication through a voice identification technology, so that the expense of the communication process on the free data link bandwidth of the unmanned aerial vehicle is effectively reduced, and the two parties of the air-ground communication can better understand the communication intention. The invention carries out operations such as recognition, transmission, storage, display and the like on voice commands from an aviation radio station and unmanned aerial vehicle operators by an automatic voice recognition means. The beneficial effects include: 1) make unmanned aerial vehicle participate in the air traffic activity under the circumstances that does not increase controller burden to realize language translation, instruction standardization work through automatic speech automatic identification instruction, be favorable to improving flight efficiency, airspace availability factor, reinforcing flight safety. 2) The communication between the unmanned aerial vehicle and pilots of other aircrafts is realized through the aviation frequency, and a way for knowing the flight condition of peripheral unmanned aerial vehicles is provided for other aircrafts; meanwhile, a universal communication means is provided for cooperation of the unmanned aerial vehicle and other unmanned aerial vehicles and the manned machines in the area. 3) Understanding unmanned aerial vehicle operating personnel's intention through speech recognition technology to combine the current flight state and the external environment of unmanned aerial vehicle, and calculate best unmanned aerial vehicle operating instruction and hand over by unmanned aerial vehicle through unmanned aerial vehicle ground-air data link and carry out according to unmanned aerial vehicle's present state, thereby reduced unmanned aerial vehicle operating personnel's maloperation, reduced unmanned aerial vehicle's use threshold, also provide a way for unmanned aerial vehicle carries out more complicated task.
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Fig. 1 is a schematic diagram of an unmanned aerial vehicle voice communication control system architecture according to the present invention.
Detailed Description
The invention is further described below with reference to the figures and examples.
Fig. 1 is a schematic diagram of an unmanned aerial vehicle voice communication control system architecture according to the present invention.
Referring to fig. 1, the unmanned aerial vehicle voice communication control system provided by the invention comprises an airborne end and a ground end, wherein the airborne end comprises a voice instruction transceiver 1, an airborne end instruction analysis computer 2, a digital instruction phonation converter 3, an airborne end instruction transceiver 4 and an airborne end instruction storage device 5, and the ground end comprises a ground end instruction transceiver 6, a ground end instruction storage device 7, a ground end instruction analysis computer 8, an instruction presentation device 9 and a voice instruction acquisition device 10.
When a control command is issued to the unmanned aerial vehicle by a control staff at a tower A through an air radio station, if the command is '8888 and climbs to 500 meters', the command is received through the voice command transceiver 1, the airborne terminal command analysis computer 2 analyzes the two information of 'an airplane registration number 8888' and 'climbs to 500 meters', and when the command is confirmed to be 8888 through comparison with the registration number per se, the information of 'climbs to 500 meters' is sent to the airborne terminal command transceiver 4, and the control staff is informed to the digital command voice converter 3 that the used language is Chinese;
the ground end command transceiver 6 receives the information "climb to 500 meters", instructs the presentation device 9 to report/display "climb to 500 meters", and displays "climbbto 500 m" when the language used by the operator of the unmanned aerial vehicle is english;
the unmanned aerial vehicle operator replies 'Climbto 500m, 8888', and after the information is received by the voice instruction acquisition equipment 10, the ground end instruction analysis computer 8 analyzes the information to obtain 'Climb to 500 m' and '8888';
the information is transmitted to the instruction phonization conversion module 3 through the ground end instruction transceiver 6 and the airborne end instruction transceiver 4, and the instruction phonization conversion module 3 translates the information into: "climb to 500 meters, 8888" and return to the policer by the voice command transceiver 1.
The invention will realize the following functions:
the language identification function: through speech recognition technology, the languages used by control personnel and unmanned aerial vehicle operating personnel are automatically recognized, so that the same language is used when speech is played subsequently.
An instruction recognition function: and extracting the exact intention of the voice through a voice recognition technology and an aviation voice communication phrase standard.
The voice filtering function: instruction content is extracted through automatic monitoring of call information of controllers, and when the instruction content is irrelevant to the unmanned aerial vehicle, the instruction is automatically discarded, and only information relevant to the unmanned aerial vehicle is left.
An information recording function: unmanned aerial vehicle all has the information recording function with the ground terminal to carry out the retrieval and investigation back when needing.
The information diversification presenting function: at the ground end, the instruction presenting device 9 can visually present the instruction in various forms such as voice broadcast, text display, graphic display, animation simulation, and the like.
Regional unmanned aerial vehicle state inquiry function: through the method and the device, the owner of the air radio station can know basic information such as the number, the position, the task, the flight situation and the like of the unmanned aerial vehicle in the area through the specific query language, and the information can help the control personnel to better know the distribution and the motion situation of the unmanned aerial vehicle in the control area, so that the influence of the unmanned aerial vehicle on the manned flight can be evaluated in advance, and a coping strategy for ensuring the flight safety in the area is made in advance. Other aircraft pilots can assess the influence of human-machine in the area on the aircraft by inquiring the flight state of the unmanned aerial vehicle in the area.
And (3) a synergistic function: the invention can realize the cooperation between different unmanned aerial vehicles and between unmanned aerial vehicles and manned vehicles, and the cooperation between different unmanned aerial vehicles and between unmanned aerial vehicles and manned vehicles can not be realized due to the problems of different protocol standards, unsmooth communication channels and the like. If when having a plurality of unmanned aerial vehicle operations in the region, lean on every unmanned aerial vehicle operating personnel to operate unmanned aerial vehicle, because there is the information barrier, visual obstacle and error scheduling problem cause mutual interference easily, hit the machine even. When the area cooperative work is needed, the unmanned aerial vehicle/the manned machine which undertakes the main control responsibility in the area sends a control request to other unmanned aerial vehicles through the invention. After authorized by the controlled unmanned aerial vehicle operator, the master control unmanned aerial vehicle/the controlled unmanned aerial vehicle can control the controlled unmanned aerial vehicle through the aviation frequency. After the control right of the controlled unmanned aerial vehicles is obtained, the master control unmanned aerial vehicle/the controlled unmanned aerial vehicles can obtain performance state information such as positions of peripheral unmanned aerial vehicles in real time through the unmanned aerial vehicle control system, and operators of the master control unmanned aerial vehicles/the controlled unmanned aerial vehicles issue operation instructions to the controlled unmanned aerial vehicles through the master control unmanned aerial vehicles according to the distribution conditions of the unmanned aerial vehicles, the performance states of the unmanned aerial vehicles and operation targets. The ground end instruction analysis computer 8 of the invention also provides the capability of docking with other control computers, if a large number of unmanned aerial vehicles exist in an area and need cooperative operation, and when an operator cannot deal with the cooperative operation, the ground end instruction analysis computer 8 can dock with the unmanned aerial vehicle control center, and the unmanned aerial vehicle control center takes over the control right of all the unmanned aerial vehicles. The unmanned aerial vehicle control center issues respective flight instructions to each unmanned aerial vehicle according to the performance state, the task target and the airspace control requirement of each unmanned aerial vehicle.
Voice operation unmanned aerial vehicle function: the unmanned aerial vehicle has the characteristics of high freedom of motion, high susceptibility to meteorological environment and the like, and the unmanned aerial vehicle has higher operation complexity; therefore, the prior operating means is easy to cause misoperation. According to the statistics of the unmanned aerial vehicle in Xinjiang, more than 85% of unmanned aerial vehicle accidents are caused by misoperation of a user, and misoperation of the unmanned aerial vehicle becomes a main pushing hand for the unmanned aerial vehicle accidents. According to the invention, an unmanned aerial vehicle operator issues an operation instruction to the unmanned aerial vehicle voice communication control system in a voice form, the ground end instruction analysis computer can master the intention of the voice instruction of the unmanned aerial vehicle operator through voice recognition, and the optimal unmanned aerial vehicle operation instruction is calculated according to the current state of the unmanned aerial vehicle and is handed to the unmanned aerial vehicle for execution through the unmanned aerial vehicle ground-air data link, so that misoperation of the unmanned aerial vehicle operator is reduced, the use threshold of the unmanned aerial vehicle is lowered, and a way is provided for the unmanned aerial vehicle to execute more complex tasks. If when the unmanned aerial vehicle needs to fly to the point a, the operator only needs to issue a voice command to the unmanned aerial vehicle to "fly to the point a" (or the longitude, the latitude and the height of the point a), and the ground-side command analysis computer 8 of the unmanned aerial vehicle automatically calculates an optimal flight path according to the coordinate information of the point a and the prestored airspace control information and geographic information, and automatically sends the corresponding command to the unmanned aerial vehicle. In the flight process, the ground end instruction analysis computer 8 inquires the position information of the unmanned aerial vehicle in real time and compares the position information with the current path, airspace control information and geographic information; once the deviation from the current path or the entrance into the restricted airspace is found, the ground end instruction analysis computer 8 automatically adjusts the path and sends a new instruction to the unmanned aerial vehicle in time. When the mission-inaccessible ground end instruction analysis computer 8 is caused by weather, airplane state, airspace control, terrain limitation and the like in the flight process, the operator is informed in time and takes necessary measures (such as return flight, landing and the like).
In summary, the voice communication channel of the controller-unmanned aerial vehicle operator is established by the voice communication control system of the unmanned aerial vehicle provided by the invention, so that the controller can directly control the unmanned aerial vehicle in the area through the existing voice communication means; in addition, through a voice recognition technology, automatic instruction recognition is carried out on the land-air voice communication, so that the two parties of the conversation can be helped to correctly understand the intention of the conversation, misunderstanding caused by reasons such as language, accent, expression modes and the like can be effectively avoided, and the voice communication quality can be improved; the commanded transmission also improves the efficiency of use of the communication link.
Although the present invention has been described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. An unmanned aerial vehicle voice communication control system comprises an airborne end and a ground end, and is characterized in that the airborne end and the ground end are connected through an unmanned aerial vehicle ground-air data link, two-way communication is established between the airborne end and an aviation radio station, and the airborne end identifies a voice command from the aviation radio station, converts the voice command into an aviation standard command and sends the aviation standard command to the ground end; the ground end presents the instruction processed by the airborne end, then collects the voice information of the unmanned aerial vehicle operator for recognition, converts the voice information into an aviation standard instruction and returns the aviation standard instruction to the airborne end; the airborne terminal converts the aviation standard instruction returned by the ground terminal into a voice signal used by an aviation radio station and transmits the voice signal back;
the airborne terminal comprises a voice instruction transceiver (1), an airborne terminal instruction analysis computer (2), a digital instruction voice converter (3), an airborne terminal instruction transceiver (4) and an airborne terminal instruction storage device (5);
the voice command transceiver (1) is used for establishing two-way communication with an aviation radio station (13); the airborne terminal instruction analysis computer (2) is used for converting voice into data information through a voice recognition technology, further converting the data information into an aviation standard instruction, informing the digital instruction voice converter (3) of the currently recognized language type, and directly submitting response information to the digital instruction voice converter (3) for replying for some basic queries; the digital instruction voice converter (3) is used for analyzing the instruction information from the airborne terminal instruction transceiver (4) according to the airborne terminal instruction, analyzing the language type identified by the computer (2), converting the instruction information into voice information used by a controller, and transmitting the voice information to the voice instruction transceiver (1); the airborne terminal instruction transceiver (4) is used for receiving information from the airborne terminal instruction analysis computer (2), converting the information into information conforming to an unmanned aerial vehicle data link protocol, transferring the information to the unmanned aerial vehicle (11), transmitting the information to the ground terminal through an unmanned aerial vehicle ground-air data link, receiving the information from the ground terminal through the unmanned aerial vehicle (11), and transferring the information to the digital instruction voice converter (3) for processing; the airborne terminal instruction storage device (5) is used for storing instruction information transmitted by all airborne terminal instruction transceivers (4);
two-way communication is established between voice command transceiver (1) and air radio station (13), air radio station (13) are VHF air radio station or HF air radio station.
2. The unmanned aerial vehicle voice communication control system of claim 1, wherein the ground end comprises a ground end instruction transceiver (6), a ground end instruction storage device (7), a ground end instruction analysis computer (8), an instruction presentation device (9) and a voice instruction acquisition device (10);
the ground end instruction transceiver (6) is used for receiving information from the ground end instruction analysis computer (8), converting the information into information conforming to an unmanned aerial vehicle data link protocol, transferring the information to an airborne end through an unmanned aerial vehicle ground-air data link, receiving the information from the airborne end instruction transceiver (4) through the unmanned aerial vehicle (11) and the unmanned aerial vehicle ground station (12), and transferring the information to the instruction presentation equipment (9); the ground end instruction storage device (7) is used for storing instruction information transmitted on all the ground end instruction transceivers (6); the ground end instruction analysis computer (8) is used for analyzing information from the voice instruction acquisition equipment (10) and transmitting the information to the ground end instruction transceiver (6) for presentation by the instruction presentation equipment (9), and the instruction presentation equipment (9) is used for receiving and presenting instructions from the ground end instruction transceiver (6) and the ground end instruction analysis computer (8); the voice instruction acquisition equipment (10) is used for acquiring voice information from an unmanned aerial vehicle operator and handing the voice information to the ground end instruction analysis computer (8).
3. The unmanned aerial vehicle voice communication control system of claim 2, characterized in that when the airborne end command analysis computer (2) and the ground end command analysis computer (8) cannot convert the voice recognition data information into the aviation standard command, the voice recognition data information is directly transmitted, and the response information can be directly sent to the digital command phonization converter (3) to reply to the basic inquiry.
4. An unmanned aerial vehicle voice communication control system according to claim 2, characterized in that the presentation mode of the instruction presentation device (9) comprises a voice playing, a text display, a graphic indication or an animation simulation form.
5. The unmanned aerial vehicle voice communication control system of claim 2, wherein the airborne-side command transceiver (4) and the ground-side command transceiver (6) invoke the unmanned aerial vehicle ground-to-air data link in a delegated transceiving manner.
6. The unmanned aerial vehicle voice communication control system of claim 2, wherein the ground-side instruction analysis computer (8) is interfaced with an unmanned aerial vehicle control center and can issue instructions to take over the control right of all unmanned aerial vehicles by the unmanned aerial vehicle control center, and the unmanned aerial vehicle control center issues respective flight instructions to each unmanned aerial vehicle according to the performance state, task goals and airspace control requirements of each unmanned aerial vehicle, so as to realize cooperative control of all unmanned aerial vehicles and the unmanned aerial vehicles in the area.
7. The unmanned aerial vehicle voice communication control system of claim 2, wherein the ground-side instruction analysis computer (8) automatically calculates an optimal flight path according to destination coordinate information of the unmanned aerial vehicle and prestored airspace control information and geographic information, and automatically sends a corresponding instruction to the unmanned aerial vehicle; in the flight process, the ground end instruction analysis computer (8) inquires the position information of the unmanned aerial vehicle in real time and compares the position information with the current path, airspace control information and geographic information, and once the unmanned aerial vehicle deviates from the current path or enters a restricted airspace, the ground end instruction analysis computer (8) automatically adjusts the path and sends a new instruction to the unmanned aerial vehicle in time.
8. The unmanned aerial vehicle voice communication control system of claim 7, wherein when the destination is not reachable during flight due to weather, aircraft status, airspace regulations, and/or terrain restrictions, the ground-end instruction analysis computer (8) will notify the operator in time and control the unmanned aerial vehicle to return or land.
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| CN109859765A (en) * | 2019-01-24 | 2019-06-07 | 朗星无人机系统有限公司 | A kind of unmanned plane blank pipe voice communication system, voice transmitting method and method of reseptance |
| US10877488B1 (en) | 2019-06-06 | 2020-12-29 | Honey Well International Inc. | Unmanned aerial vehicle (UAV) intelligent emergency voice report system and method |
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