A fixed-pitch braking method for reverse conversion of a vertical take-off and landing fixed-wing aircraft
A technology of vertical take-off and landing and reverse conversion, which is applied in the directions of instruments, vehicle position/route/altitude control, 3D position/airway control, etc. It can solve problems such as the reduction of aircraft waiting speed, save weight and cost, and ensure flight safety. , the effect of strengthening grasp
Active Publication Date: 2022-07-12
武汉最近应急科技有限公司
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Problems solved by technology
The disadvantage of this solution is that the aircraft can only passively wait for the speed to decrease naturally during the conversion process. How long it will take is unknown, and how far the aircraft will fly during this period is also unknown.
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[0052] The present invention will be described in detail below with reference to specific embodiments and examples, and the advantages and various effects of the present invention will be more clearly presented therefrom. It should be understood by those skilled in the art that these specific embodiments and examples are used to illustrate the present invention, but not to limit the present invention.
[0053] Throughout the specification, unless specifically stated otherwise, terms used herein are to be understood as commonly used in the art. Therefore, unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. In case of conflict, the present specification takes precedence.
[0054] Unless otherwise specified, various raw materials, reagents, instruments and equipment used in the present invention can be purchased from the market or can be prepared...
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A fixed-distance braking method for reverse conversion of a vertical take-off and landing fixed-wing aircraft, which uses the method of raising the aircraft to form air resistance to complete the braking operation of the aircraft, can strictly control the acceleration of the aircraft during the braking process, and can strictly control the aircraft during the conversion process. The distance traveled is able to resist the disturbance of the weight change of the aircraft and the downwind and headwind conditions. The application has the following beneficial effects: (1) the user can specify the braking distance of the reverse conversion, thereby enhancing the grasp of the reverse conversion, which is beneficial to the route planning of the mission return; (2) in the scenario of triggering the safety protection, the aircraft can The mode conversion is completed in the shortest time, which can better ensure flight safety; (3) The air resistance is formed directly by the method of raising the plane of the aircraft, without adding any deceleration device, which saves weight and cost; (4) Using closed-loop feedback control, The braking distance does not vary depending on the weight of the aircraft and tailwind and headwind conditions.
Description
technical field [0001] The invention belongs to the technical field of vertical take-off and landing fixed-wing aircraft, and particularly relates to a reverse conversion fixed-distance braking method for a vertical take-off and landing fixed-wing aircraft. Background technique [0002] A vertical take-off and landing fixed-wing aircraft is an aircraft that combines a quadrotor and a fixed wing and can both take off and land vertically and fly horizontally. The speed of the fixed-wing is fast, and the speed of the quad-rotor is slow, and the transition from fixed-wing mode to quad-rotor mode is called "reverse transition". When flying normally, the aircraft first flies at high speed in fixed-wing mode. After receiving the reverse conversion command, the fixed-wing propulsion motor is turned off and the quad-rotor motor is turned on. When the speed of the aircraft decreases to a certain threshold, the mode conversion is completed. . [0003] The existing reverse conversion ...
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IPC IPC(8): G05D1/10
CPCG05D1/101
Inventor 不公告发明人
Owner 武汉最近应急科技有限公司