Evtol panoramic efvs flight and landing system and takeoff and landing method

Abstract

This invention provides an EVTOL panoramic EFVS flight and landing system. The system includes: a panoramic EVTOL (Electronic Virtualization System) for capturing 360-degree panoramic infrared video and generating takeoff and landing flight control commands through takeoff and landing algorithms; FPV (Flying Photo View) goggles for receiving panoramic infrared images and generating EFVS images and avionics data; an EVTOL control terminal for sending flight control commands to the EVTOL; an EVTOL takeoff and landing platform for supporting EVTOL landing, the platform being equipped with takeoff and landing assist lighting components; and a data transmission unit for data transmission within the system. This system uses FPV goggles to display panoramic infrared video with overlaid EFVS characters to EVTOL ground operators, enhancing their situational awareness during EVTOL takeoff and landing.

Description

Technical Field

[0001] This invention belongs to the technical field of EVTOL and flight safety, specifically relating to the EVTOL panoramic EFVS flight and landing system and takeoff and landing methods. Background Technology

[0002] EVTOL is a promising new technology in the aviation field, and safe flight is crucial for its commercial operation. Currently, EVTOL is still in the research and development stage globally, and its safety, reliability, and airworthiness have not yet reached the level required for formal commercial manned operation. In situations such as low visibility at the takeoff and landing terminal, failure of automatic takeoff and landing aids or EVTOL onboard takeoff and landing equipment, or when the EVTOL platform is a mobile or small-area platform, there are still no mature solutions for precise takeoff and landing of EVTOL. Summary of the Invention

[0003] To address the aforementioned problems, the present invention aims to provide an EVTOL panoramic EFVS flight landing system and takeoff and landing method, which improves the perception of the takeoff and landing terminal by EVTOL ground operators in situations such as low visibility at the takeoff and landing terminal, failure of automatic takeoff and landing aids or EVTOL airborne takeoff and landing equipment, and when the EVTOL takeoff and landing platform is a mobile platform or a small-area platform, so as to achieve high-precision and safe takeoff and landing of EVTOL.

[0004] To achieve the above objectives, the present invention provides the following technical solution: an EVTOL panoramic EFVS flight and landing system, the system comprising an EVTOL takeoff and landing platform placed on the ground, an EVTOL control terminal and FPV goggles, as well as a panoramic EVTOL, a data transmission unit, and an EVTOL flight control system placed on the EVTOL.

[0005] Among them, the EVTOL take-off and landing platform is used to support the landing of EVTOL, and the EVTOL platform is equipped with take-off and landing auxiliary lighting components to assist the take-off and landing of EVTOL;

[0006] Panoramic EVS is used to capture 360-degree panoramic infrared video images of the surroundings and to generate takeoff and landing flight control commands through calculation of takeoff and landing algorithms.

[0007] The data transmission unit is used to simultaneously transmit the images acquired by the panoramic EVS and the takeoff and landing flight control commands to the FPV goggles and the EVTOL flight control system.

[0008] FPV glasses are used to receive panoramic infrared images and generate EFVS images and avionics data.

[0009] The EVTOL control terminal is used to control the EVTOL via the EVTOL flight control system based on the avionics data displayed on the FPV goggles.

[0010] The EVTOL panoramic EFVS flight landing system provided by this invention also has the following feature: the EFVS image includes panoramic infrared video footage, flight instrument information, navigation information, flight status information, and alarm information.

[0011] The EVTOL panoramic EFVS flight landing system provided by the present invention also has the following feature: the EVTOL control terminal includes a control platform and / or a head attitude perception sensor installed on the FPV eye.

[0012] The EVTOL panoramic EFVS flight landing system provided by this invention also has the following feature: the control platform includes one or more control methods selected from hand controllers, mobile application software, computer application software, and cloud system application software.

[0013] The EVTOL panoramic EFVS flight and landing system provided by this invention also has the feature that the head attitude sensing sensor senses the operator's head movement and generates flight control commands based on the head movement.

[0014] The EVTOL panoramic EFVS flight landing system provided by this invention also has the following feature: the takeoff and landing auxiliary lighting assembly includes a first laser emitting device mounted on the panoramic EVS and a second laser emitting device mounted on the landing platform.

[0015] The first laser emitting device is used to emit a first laser beam toward the target landing area and draw a pattern to assist landing;

[0016] The second laser emitting device is used to emit a second laser beam to assist landing at the panoramic EVS.

[0017] Another object of the present invention is to provide an EVTOL takeoff and landing algorithm that uses the EVTOL panoramic EFVS flight and landing system as described in any of the preceding claims.

[0018] The EVTOL takeoff and landing algorithm provided by this invention also has the following feature: the takeoff and landing algorithm includes a takeoff algorithm and a landing algorithm, wherein the takeoff algorithm includes the following steps:

[0019] S1: Binarize the images captured by the panoramic EVS;

[0020] S2: Match the binarized image with the binarized image of the takeoff lighting system stored in the system;

[0021] S3: Stabilizes the image at the desired position in the EVS-captured scene;

[0022] S4: Maintain this altitude and fly horizontally to complete takeoff.

[0023] The EVTOL takeoff and landing algorithm provided by this invention also has the following feature: the takeoff and landing algorithm includes a takeoff algorithm and a landing algorithm, wherein the landing algorithm includes the following steps:

[0024] S1: Binarize the images captured by the panoramic EVS;

[0025] S2: Match the binarized image with the binarized image of the landing lighting system stored in the system;

[0026] S3: Follow the matched image while gradually descending in altitude;

[0027] S4: Stabilize the image at the expected position captured by the panoramic EVS to complete the landing.

[0028] Beneficial effects

[0029] The EVTOL panoramic EFVS flight landing system provided by this invention uses FPV goggles to display panoramic infrared video with EFVS characters superimposed to the EVTOL ground operators, enhancing their situational awareness during EVTOL takeoffs and landings. It also includes a takeoff and landing auxiliary lighting system, which improves the EVTOL ground operators' perception of the takeoff and landing terminal in situations where visibility at the takeoff and landing terminal is low, automatic takeoff and landing aids or EVTOL onboard takeoff and landing equipment are malfunctioning, or the EVTOL takeoff and landing platform is a mobile platform or a small-area platform, thus achieving high-precision and safe takeoffs and landings for the EVTOL.

[0030] The EVTOL takeoff and landing method provided by this invention uses a panoramic EVS system to capture panoramic infrared video, and combines it with the takeoff and landing auxiliary lighting system of the takeoff and landing platform to obtain accurate takeoff and landing tracks. This avoids the problems of difficulty in taking off and landing in situations such as low visibility at the takeoff and landing terminal, failure of automatic takeoff and landing aids or EVTOL airborne takeoff and landing equipment, and EVTOL takeoff and landing platforms that are mobile or small in area. Attached Figure Description

[0031] To more clearly illustrate the technical solutions of the embodiments of this disclosure, the accompanying drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this disclosure. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0032] Figure 1 This is a schematic diagram of the EVTOL panoramic EFVS flight and landing system provided in an embodiment of the present invention;

[0033] Figure 2 This is a flowchart illustrating the workflow of the EVTOL panoramic EFVS flight landing system provided in an embodiment of the present invention.

[0034] Figure 3 A schematic diagram of the auxiliary lighting system provided in an embodiment of the present invention installed on a landing platform;

[0035] Figure 4 A schematic diagram of the auxiliary lighting system provided in an embodiment of the present invention installed on a takeoff platform;

[0036] Figure 5 This is a schematic diagram of the EFVS image mentioned in the embodiments of the present invention when infrared video is turned off. Detailed Implementation

[0037] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. However, it should be noted that these embodiments are not intended to limit the present invention. Equivalent changes or substitutions in function, method, or structure made by those skilled in the art based on these embodiments are all within the protection scope of the present invention.

[0038] In the description of the embodiments of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the invention.

[0039] Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this invention, unless otherwise stated, "a plurality of" means two or more.

[0040] The terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art will understand the specific meaning of these terms in this invention based on the specific circumstances.

[0041] like Figures 1-5 As shown, this embodiment provides an EVTOL panoramic EFVS flight and landing system. The system includes an EVTOL takeoff and landing platform placed on the ground, an EVTOL control terminal and FPV goggles, as well as a panoramic EVTOL, a data transmission unit, and an EVTOL flight control system placed on the EVTOL. The EVTOL takeoff and landing platform supports EVTOL landing and is equipped with takeoff and landing auxiliary lighting components to assist EVTOL takeoff and landing. The panoramic EVTOL captures 360-degree panoramic infrared video images and uses takeoff and landing algorithms to derive takeoff and landing flight control commands. The data transmission unit simultaneously transmits the images acquired by the panoramic EVTOL and the takeoff and landing flight control commands to the FPV goggles and the EVTOL flight control system. The FPV goggles receive the panoramic infrared images and generate EFVS images and avionics data. The EVTOL control terminal controls the EVTOL through the EVTOL flight control system based on the avionics data displayed by the FPV goggles.

[0042] In the above embodiments, the FPV goggles, or first-person flight goggles, can provide the EFVS visual imagery to the EVTOL ground operators, facilitating their observation of the flight scene. The data transmission unit is used to transmit the panoramic infrared video images captured by the panoramic EVS to the FPV goggles and to send flight control commands from the EVTOL control terminal to the EVTOL flight control system.

[0043] In some embodiments, the EFVS image includes instrument information, navigation information, flight status information, and warning information. The FPV glasses include EFVS software for generating a panoramic EFVS symbol image containing flight parameter information.

[0044] In some embodiments, the EVTOL control terminal includes a control platform and / or a head posture sensing sensor mounted on the FPV eye.

[0045] In some embodiments, the control platform includes one or more control methods selected from handheld controllers, mobile application software, computer application software, and cloud system application software.

[0046] In some embodiments, the head posture sensing sensor senses the operator's head movement and generates flight control commands based on the head movement.

[0047] In some embodiments, the takeoff and landing assist lighting assembly includes a first laser emitting device mounted on the panoramic EVS and a second laser emitting device mounted on the landing platform. The first laser emitting device is used to emit a first laser beam toward the target landing area and draw a pattern for assisting landing; the second laser emitting device is used to emit a second laser beam for assisting landing toward the panoramic EVS.

[0048] The EVTOL takeoff and landing system provided in the above embodiments operates as follows during the takeoff phase:

[0049] Step 1: Activate the ETEFS identification landing assistance lighting system in the landing terminal area.

[0050] Step 2: If the identified lighting system is a takeoff lighting system, the operator uses EVTOL to manually / automatically follow the image to the predetermined altitude.

[0051] Step 3: ETEFS identifies the light pattern until it indicates that the aircraft has flown to the predetermined altitude and provides instructions to the operator.

[0052] Step 4: The operator manually or automatically starts the flight using the EVTOL.

[0053] The EVTOL takeoff and landing system provided in the above embodiments operates as follows during the landing phase:

[0054] Step 1: Activate the ETEFS identification landing assistance lighting system in the landing terminal area.

[0055] Step 2: If the identified lighting system is a landing lighting system, the operator uses EVTOL to manually / automatically follow the image to near-ground altitude.

[0056] Step 3: ETEFS identifies the light pattern and indicates the landing position of the wheels.

[0057] Step 4: The operator uses EVTOL to manually or automatically follow the image for landing.

[0058] In some embodiments, an EVTOL takeoff and landing algorithm is provided, which uses the EVTOL panoramic EFVS flight and landing system as described in any of the preceding claims.

[0059] In some embodiments, the takeoff and landing algorithm includes a takeoff algorithm and a landing algorithm, wherein the takeoff algorithm includes the following steps:

[0060] S1: Binarize the images captured by the panoramic EVS;

[0061] S2: Match the binarized image with the binarized image of the takeoff lighting system stored in the system;

[0062] S3: Stabilizes the image at the desired position in the EVS-captured scene;

[0063] S4: Maintain this altitude and fly horizontally to complete takeoff.

[0064] In some embodiments, the takeoff and landing algorithm includes a takeoff algorithm and a landing algorithm, wherein the landing algorithm includes the following steps:

[0065] S1: Binarize the images captured by the panoramic EVS;

[0066] S2: Match the binarized image with the binarized image of the landing lighting system stored in the system;

[0067] S3: Follow the matched image while gradually descending in altitude;

[0068] S4: Stabilize the image at the expected position captured by the panoramic EVS to complete the landing.

[0069] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention. The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present invention, and these improvements and modifications should also be considered within the protection scope of the present invention.

Claims

1. The EVTOL panoramic EFVS flight landing algorithm, characterized in that, The flight and landing algorithm includes a takeoff algorithm and a landing algorithm. The takeoff algorithm includes the following steps: S1: Binarize the images captured by the panoramic EVS; S2: Match the binarized image with the binarized image of the takeoff lighting system stored in the system; S3: Stabilizes the image at the desired position in the EVS-captured scene; S4: Maintain this altitude and fly level to complete takeoff. The landing algorithm includes the following steps: A: Binarize the images captured by the panoramic EVS; B: Match the binarized image with the binarized image of the landing lighting system stored in the system; C: Follow the matched image while gradually descending in altitude; D: Stabilize the image at the desired position within the panoramic EVS view, completing the landing. The algorithm is based on the following EVTOL panoramic EFVS flight and landing system, including the EVTOL takeoff and landing platform, EVTOL control terminal and FPV goggles placed on the ground, and the panoramic EVS, data transmission unit and EVTOL flight control system placed on the EVTOL. Among them, the EVTOL take-off and landing platform is used to support the landing of EVTOL, and the EVTOL take-off and landing platform is equipped with take-off and landing auxiliary lighting components to assist the take-off and landing of EVTOL; Panoramic EVS is used to capture 360-degree panoramic infrared video images of the surroundings and to generate takeoff and landing flight control commands through calculation of takeoff and landing algorithms. The data transmission unit is used to simultaneously transmit the images acquired by the panoramic EVS and the takeoff and landing flight control commands to the FPV goggles and the EVTOL flight control system. FPV glasses are used to receive panoramic infrared images and generate EFVS images and avionics data. The EVTOL control terminal is used to control the EVTOL via the EVTOL flight control system based on the avionics data displayed on the FPV goggles.

2. The EVTOL panoramic EFVS flight landing algorithm according to claim 1, characterized in that, The EFVS image includes panoramic infrared video footage, flight instrument information, navigation information, flight status information, and alarm information.

3. The EVTOL panoramic EFVS flight landing algorithm according to claim 1, characterized in that, The EVTOL control terminal includes a control platform and / or a head posture sensing sensor mounted on the FPV eye.

4. The EVTOL panoramic EFVS flight landing algorithm according to claim 3, characterized in that, The control platform includes one or more control methods selected from handheld controllers, mobile application software, computer application software, and cloud system application software.

5. The EVTOL panoramic EFVS flight landing algorithm according to claim 3, characterized in that, The head posture sensing sensor detects the operator's head movements and generates flight control commands based on these head movements.

6. The EVTOL panoramic EFVS flight landing algorithm according to claim 1, characterized in that, The takeoff and landing auxiliary lighting assembly includes a first laser emitter mounted on the panoramic EVS and a second laser emitter mounted on the landing platform. The first laser emitting device is used to emit a first laser beam toward the target landing area and draw a pattern to assist landing; The second laser emitting device is used to emit a second laser beam to assist landing at the panoramic EVS.

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