CN114428513A - Unmanned aerial vehicle flight safety control method based on geo-fencing - Google Patents
Unmanned aerial vehicle flight safety control method based on geo-fencing Download PDFInfo
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- G05D1/10—Simultaneous control of position or course in three dimensions
- G05D1/101—Simultaneous control of position or course in three dimensions specially adapted for aircraft
- G05D1/106—Change initiated in response to external conditions, e.g. avoidance of elevated terrain or of no-fly zones
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Abstract
The invention discloses an unmanned aerial vehicle flight safety control method based on a geo-fence, which comprises the following two control methods: mode A: setting a task point for carrying out a flight task before the unmanned aerial vehicle takes off, and enabling the unmanned aerial vehicle to automatically take off and return to a take-off position after the flight task is finished; mode B: and the unmanned aerial vehicle is controlled to fly in real time through the visual control terminal. Compared with the prior art, the invention has the advantages that: the problem that the unmanned aerial vehicle is damaged or out of control and the like due to various overrun flight tasks in the process of using the unmanned aerial vehicle by a user is effectively solved; and various potential safety hazards and property losses are brought. Meanwhile, the design of the visual geo-fence is striking, so that the operation of a user is more convenient, and better experience is provided for the user.
Description
Technical Field
The invention relates to the field of unmanned aerial vehicle control, in particular to an unmanned aerial vehicle flight safety control method based on a geo-fence.
Background
At present, unmanned aerial vehicles are widely applied to various fields, but most operators do not receive professional training due to rapid development of the unmanned aerial vehicles; the ubiquitous operator sets up the task distance too far, operates unmanned aerial vehicle condition such as far to lead to unmanned aerial vehicle because surpass signal coverage, arouse unmanned aerial vehicle out of control, risk such as lose. The fun that experience fishing unmanned aerial vehicle brought that causes fishing fan can not be relieved.
Disclosure of Invention
The invention aims to solve the technical problem of providing a method for controlling the flight safety of an unmanned aerial vehicle based on a geo-fence.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: a geo-fence based unmanned aerial vehicle flight safety control method comprises the following two control methods:
mode A: setting a task point for carrying out a flight task before the unmanned aerial vehicle takes off, and enabling the unmanned aerial vehicle to automatically take off and return to a take-off position after the flight task is finished;
mode B: and the unmanned aerial vehicle is controlled to fly in real time through the visual control terminal.
Preferably, the flight safety control method comprises the following detailed steps:
firstly, after the unmanned aerial vehicle is started, establishing a communication link with a visual control terminal through a signal transmission system, and sending current position information of the unmanned aerial vehicle to the visual control terminal;
secondly, after the visual control terminal receives the current position information of the unmanned aerial vehicle, the farthest value and the stable value of the effective operation range are calculated according to the current signal intensity and the data packet loss rate;
the visual control terminal provides two use modes of the effective operation range, one is a novice mode which fixes the effective operation range as a stable value, and the other is a common mode which can adjust the effective operation range between the stable value and the farthest value;
fourthly, after the effective operation range is updated, the visual control terminal sends the latest effective operation range to a flight control system of the unmanned aerial vehicle through a signal transmission system in real time to complete the setting of the effective operation range of the unmanned aerial vehicle;
when the user uses the visual control terminal; the visual control terminal can display a satellite map with the current position of the unmanned aerial vehicle as a central point. Meanwhile, the current position of the unmanned aerial vehicle is used as a circle center, and the effective operation range is used as a radius drawing area to represent the effective operation range of the unmanned aerial vehicle;
when the user uses the mode A to control the unmanned aerial vehicle to fly, the user cannot set the task point outside the effective operation range, and meanwhile, the visual control terminal can guide the user to set the task point in the effective operation range;
seventhly, when the user uses the mode B to control the unmanned aerial vehicle to fly; as soon as the unmanned aerial vehicle leaves the effective operation range, the visual control terminal immediately sends a return command to a flight control system of the unmanned aerial vehicle; enabling the unmanned aerial vehicle to return to the take-off longitude and latitude of the unmanned aerial vehicle, and preventing the unmanned aerial vehicle from flying out of an effective control range;
when the unmanned aerial vehicle leaves the effective operating range, the flight control system of the unmanned aerial vehicle can automatically control the unmanned aerial vehicle to return after still not receiving a return command sent by the visual control terminal for a certain time, so that the unmanned aerial vehicle is prevented from continuing to fly to a distance after actually exceeding the effective control range due to sudden environmental factors;
ninthly, no matter which mode the user uses to control the unmanned aerial vehicle, the user can both look over the current position of the unmanned aerial vehicle in real time at the visual control terminal, and the unmanned aerial vehicle is in the relative position within the effective range.
Compared with the prior art, the invention has the advantages that: the problem that the unmanned aerial vehicle is damaged or out of control and the like due to various overrun flight tasks in the process of using the unmanned aerial vehicle by a user is effectively solved; and various potential safety hazards and property losses are brought. Meanwhile, the design of the visual geo-fence is striking, so that the operation of a user is more convenient, and better experience is provided for the user.
Drawings
Fig. 1 is a schematic diagram illustrating a principle of a geo-fence-based unmanned aerial vehicle flight safety control method.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In specific implementation, the invention provides an unmanned aerial vehicle flight safety control method based on a geo-fence, which comprises the following two control methods:
mode A: setting a task point for carrying out a flight task before the unmanned aerial vehicle takes off, and enabling the unmanned aerial vehicle to automatically take off and return to a take-off position after the flight task is finished;
mode B: and the unmanned aerial vehicle is controlled to fly in real time through the visual control terminal.
Preferably, the flight safety control method comprises the following detailed steps:
firstly, after the unmanned aerial vehicle is started, establishing a communication link with a visual control terminal through a signal transmission system, and sending information such as longitude and latitude, height and the like of the current position of the unmanned aerial vehicle to the visual control terminal;
secondly, after the visual control terminal receives longitude and latitude information of the current position of the unmanned aerial vehicle, the farthest value and the stable value of the effective operation range are calculated according to data such as current signal intensity, data packet loss rate and the like;
the visual control terminal provides two use modes of the effective operation range, one is a novice mode which fixes the effective operation range to a stable value, and the other is a common mode which can adjust the effective operation range between the stable value and a farthest value;
after the effective operation range is updated, the visual control terminal sends the latest effective operation range to a flight control system of the unmanned aerial vehicle through a signal transmission system in real time to complete the setting of the effective operation range of the unmanned aerial vehicle;
when the user uses the visual control terminal; the visual control terminal can display a map with the current position of the unmanned aerial vehicle as a central point, the map can be a real-time satellite map or an off-line map, and the map is selected according to the working environment. Meanwhile, the current position of the unmanned aerial vehicle is taken as the circle center, the effective operation range is taken as the radius drawing area, the area is a perspective circular area with colors, and the area is actually a spherical space, so that the unmanned aerial vehicle is prevented from flying away from the effective operation range of the unmanned aerial vehicle;
when the user uses the mode A to control the unmanned aerial vehicle to fly, the user cannot set the task point outside the effective operation range, and meanwhile, the visual control terminal can guide the user to set the task point in the effective operation range;
seventhly, when the user uses the mode B to control the unmanned aerial vehicle to fly; as soon as the unmanned aerial vehicle leaves the effective operation range, the visual control terminal immediately sends a return flight instruction to a flight control system of the unmanned aerial vehicle; the unmanned aerial vehicle is enabled to return to the takeoff position of the unmanned aerial vehicle, so that the unmanned aerial vehicle is prevented from flying out of the effective control range;
when the unmanned aerial vehicle leaves the effective operating range, the flight control system of the unmanned aerial vehicle can automatically control the unmanned aerial vehicle to return after still not receiving a return command sent by the visual control terminal for a certain time, so that the unmanned aerial vehicle is prevented from continuing to fly to a distance after actually exceeding the effective control range due to sudden environmental factors;
ninthly, no matter which mode the user uses to control the unmanned aerial vehicle, the user can both look over the current position of the unmanned aerial vehicle in real time at the visual control terminal, and the unmanned aerial vehicle is in the relative position within the effective range.
The working principle of the invention is as follows: a flight safety control method for solving the problem that an unmanned aerial vehicle is damaged or out of control and the like when the unmanned aerial vehicle executes various overrun flight tasks. An operator can clearly distinguish the position and the effective operating range of the unmanned aerial vehicle through the visual control terminal; the current position of the unmanned aerial vehicle can be detected and displayed in real time, and the unmanned aerial vehicle is prevented from flying out of an effective operation range; the control method can integrally improve the safety performance of the unmanned aerial vehicle.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature, and in the description of the invention, "plurality" means two or more unless explicitly specifically defined otherwise.
In the present invention, unless otherwise specifically stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
In the description herein, reference to the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.
Claims (2)
1. A geo-fence-based unmanned aerial vehicle flight safety control method is characterized by comprising the following two control methods:
mode A: setting a task point for carrying out a flight task before the unmanned aerial vehicle takes off, and enabling the unmanned aerial vehicle to automatically take off and return to a take-off position after the flight task is finished;
mode B: and the unmanned aerial vehicle is controlled to fly in real time through the visual control terminal.
2. The geo-fence based unmanned aerial vehicle flight safety control method of claim 1, wherein the flight safety control method comprises the following detailed steps:
firstly, after the unmanned aerial vehicle is started, establishing a communication link with a visual control terminal through a signal transmission system, and sending current position information of the unmanned aerial vehicle to the visual control terminal;
secondly, after the visual control terminal receives the current position information of the unmanned aerial vehicle, the farthest value and the stable value of the effective operation range are calculated according to the current signal intensity and the data packet loss rate;
the visual control terminal provides two use modes of the effective operation range, one is a novice mode which fixes the effective operation range to a stable value, and the other is a common mode which can adjust the effective operation range between the stable value and a farthest value;
after the effective operation range is updated, the visual control terminal sends the latest effective operation range to a flight control system of the unmanned aerial vehicle through a signal transmission system in real time to complete the setting of the effective operation range of the unmanned aerial vehicle;
when the user uses the visual control terminal; the visual control terminal can display a map with the current position of the unmanned aerial vehicle as a central point. Meanwhile, the current position of the unmanned aerial vehicle is used as a circle center, and the effective operation range is used as a radius drawing area to represent the effective operation range of the unmanned aerial vehicle;
when the user uses the mode A to control the unmanned aerial vehicle to fly, the user cannot set the task point outside the effective operation range, and meanwhile, the visual control terminal can guide the user to set the task point in the effective operation range;
seventhly, when the user uses the mode B to control the unmanned aerial vehicle to fly; as soon as the unmanned aerial vehicle leaves the effective operation range, the visual control terminal immediately sends a return flight instruction to a flight control system of the unmanned aerial vehicle; the unmanned aerial vehicle is enabled to return to the takeoff position of the unmanned aerial vehicle, so that the unmanned aerial vehicle is prevented from flying out of the effective control range;
when the unmanned aerial vehicle leaves the effective operating range, the flight control system of the unmanned aerial vehicle can automatically control the unmanned aerial vehicle to return after still not receiving a return command sent by the visual control terminal for a certain time, so that the unmanned aerial vehicle is prevented from continuing to fly to a distance after actually exceeding the effective control range due to sudden environmental factors;
ninthly, no matter which mode the user uses to control the unmanned aerial vehicle, the user can both look over the current position of the unmanned aerial vehicle in real time at the visual control terminal, and the unmanned aerial vehicle is in the relative position within the effective range.
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