CN-122024527-A - Aerial connection method and system for low-altitude aircraft

CN122024527ACN 122024527 ACN122024527 ACN 122024527ACN-122024527-A

Abstract

The application relates to an air connection method and a connection system of a low-altitude aircraft, which are particularly suitable for the operation of passengers in the absence of falling of an electric vertical take-off and landing aircraft (eVTOL). The method comprises the steps of identifying route and landing site information of a main aircraft through a ground dispatching system, dispatching a connected aircraft to take off in advance, realizing route synchronization, speed matching and aerial docking through a multi-link communication system, completing aerial transfer of passengers or cargoes in a docking state, and separating and returning the connected aircraft from the main aircraft after transfer is completed. The application realizes the connection operation of the main aircraft in the continuous flight process, avoids time loss and discomfort of passengers caused by taking off and landing, remarkably improves timeliness, comfort and operation efficiency of low-altitude carrying, and can be widely applied to multiple scenes such as logistics transportation, emergency rescue, air sightseeing and the like.

Inventors

WANG LEI
JIAO JUNTAO
ZHANG XIAOLONG

Assignees

海根生物(深圳)有限公司

Dates

Publication Date: 20260512
Application Date: 20260412

Claims (10)

1. An aerial connection method of a low-altitude aircraft is characterized by comprising the following steps: the ground dispatching system identifies the route information and landing site information of the main aircraft, and confirms the connection task; step two, the ground dispatching system dispatches the connected aircraft to take off, and establishes multilink synchronous communication between the connected aircraft and the main aircraft; Thirdly, synchronizing the route and matching the speed of the connection aircraft and the main aircraft to realize the parallel track flight; step four, the docking aircraft and the main aircraft are docked in the air, and the passenger or goods transferring operation is carried out in the docking state; And fifthly, after the transfer operation is completed, separating the connection aircraft from the main aircraft, returning the connection aircraft for landing, and continuously executing the residual route by the main aircraft.
2. The method of airborne docking of low-altitude aircraft according to claim 1, wherein in the second step, the ground scheduling system dynamically calculates an optimal takeoff window of the docked aircraft according to real-time position, speed, route and meteorological conditions of the main aircraft, and schedules the docked aircraft to take off at least 5 to 20 minutes before the expected docking time.
3. The aerial docking method of the low-altitude aircraft of claim 1, wherein in the fourth step, the docking mode comprises mechanical docking, magnetic docking, pneumatic docking or aerial hovering close docking, and a multi-sensor fusion positioning system is adopted for closed-loop control of the relative position and the gesture in the docking process.
4. The method for air connection of low-altitude aircraft according to claim 3, wherein in the fourth step, the transfer of personnel or goods is completed between the main aircraft and the connection aircraft through a flexible channel, a rigid channel or an open air platform in the transfer operation process, and a safety locking mechanism and an emergency separation mechanism are arranged.
5. The method for airborne docking of a low-altitude aircraft of claim 1, wherein said multilink communication system comprises: the ground communication link is used for communicating information between the ground scheduling system and the ground station of the docking aircraft; The ground-air communication link is used for two-way communication between the ground scheduling system and the main aircraft and between the ground scheduling system and the docking aircraft; The air-air communication link is used for point-to-point direct communication between the main aircraft and the connected aircraft, and transmitting relative position and speed information, a butt joint control instruction and an emergency separation instruction; and the air-ground communication link is used for communicating flight process information between the main aircraft and the ground station.
6. The method for air connection of low-altitude aircraft according to claim 1, wherein the method is further applied to low-altitude logistics transportation, the main aircraft is a trunk transportation aircraft, and the connection aircraft is a branch delivery aircraft, so that air cargo transfer is realized; The method is also applied to low-altitude logistics transportation, the main aircraft is a trunk transportation aircraft, the connection aircraft is a branch distribution aircraft, and the transfer of goods in the air is realized; The method is also applied to low-altitude emergency rescue, the connection aircraft is used as a medical transport cabin, and the air connection and transportation of the sick and wounded are completed under the condition that the main aircraft is not stopped; The method is also applied to the sightseeing in the air, the main aircraft continuously flies along the sightseeing route, and the connecting aircraft completes the boarding and disembarking of tourists at the specific sightseeing point.
7. A low-altitude aircraft aerial docking system for implementing the method of any one of claims 1 to 6, comprising: the ground dispatching system is used for route identification, task dispatching and communication management; the main aircraft is used for executing main route flight; at least one docking aircraft for completing aerial docking and transfer with the main aircraft; and the multilink communication system is used for realizing data synchronization and control instruction interaction between the ground and the aircraft and between the aircraft.
8. The aerial docking system of claim 7, wherein the ground scheduling system comprises: the route planning module is used for dynamically generating an optimal route according to the task information of the main aircraft and the performance parameters of the aircraft, and calculating an optimal take-off window of the connected aircraft; the airspace management module is used for monitoring all aircraft states in real time, acquiring aircraft positions through broadcast automatic correlation monitoring, and carrying out conflict detection and avoidance; the multi-aircraft cooperative control module is used for realizing task cooperation and docking time sequence control between the main aircraft and the multi-frame docking aircraft; And the safety monitoring module is used for monitoring the health state of the aircraft in real time and triggering an emergency plan when the parameters are abnormal.
9. The aerial docking system of claim 7, wherein the multilink communication system comprises: the ground communication link is used for communicating information between the ground scheduling system and the ground station of the docking aircraft; The ground-air communication link is used for two-way communication between the ground scheduling system and the main aircraft and between the ground scheduling system and the docking aircraft; The air-air communication link is used for point-to-point direct communication between the main aircraft and the connected aircraft, and transmitting relative position and speed information, a butt joint control instruction and an emergency separation instruction; and the air-ground communication link is used for communicating flight process information between the main aircraft and the ground station.
10. The aerial docking system of the low-altitude aircraft according to claim 7, wherein an emergency separation mechanism is arranged in the docking device of the docking aircraft, and the emergency separation mechanism comprises the steps of switching off and releasing the electromagnetic lock when the relative gesture is detected to exceed a safety threshold value, the external interference force exceeds a design value or a ground forced separation command is received, and simultaneously separating a push rod to push the main aircraft from the docking aircraft.

Description

Aerial connection method and system for low-altitude aircraft Technical Field The application relates to the technical field of low-altitude aircrafts, in particular to an air connection method and a connection system of a low-altitude aircrafts. Background In recent years, with the rapid development of electric vertical takeoff and landing aircraft (eVTOL) technology, low-idle traffic has become an important development direction of the global aviation industry. Currently, general electric vertical take-off and landing aircrafts need to obtain airworthiness authentication such as model qualification (TC), production license (PC), airworthiness Certificate (AC) and the like, the airworthiness certificate only has requirements on basic transportation modes and passenger safety, but no clear explanation and requirements are made on a landing mode, a landing method and the like of eVTOL, no new related clear measures and method introduction are made on boarding and alighting of a station of a low-altitude aircraft, and the traditional civil aircraft take-off and landing scheme and the landing operation mode of passengers at airports or landing stations are adopted in analysis. The method has the technical defects that the operation efficiency is low, the aircraft needs to repeatedly take off and land at a plurality of stations, the total time of a route is increased, the carrying capacity in unit time is reduced, the passengers experience poor, acceleration change and height change are caused by frequent take off and land, the discomfort of the passengers is easy to cause, the influence on high comfort scenes such as a chartered plane, tour sightseeing and the like is particularly remarkable, the operations of landing and take-off are required to be carried out in the passenger landing process eVTOL, the passengers have the discomfort of frequent landing and take-off for the riding of the multi-station, the station resources are limited, the take-off and landing station resources in urban environment are limited, the simultaneous take-off and landing of the multi-aircraft is easy to cause space congestion and scheduling conflict, and the emergency capability is insufficient, so that the traditional take-off and landing mode cannot realize 'no-stop connection' and delay of the time in the scenes such as medical emergency and the like. Solutions have not been presented in the prior art to enable the main aircraft to complete the connection of passengers or cargo during continuous flight. Disclosure of Invention The application aims to solve the technical problems of low efficiency, poor experience and limited resources caused by taking off and landing of a low-altitude aircraft on a site to get on or off passengers in the prior art. Aiming at the defects in the prior art, an air connection method and a connection system of a low-altitude aircraft are provided. In order to solve the technical problems, the technical scheme adopted by the application is that eVTOL flight data and landing passenger information are synchronized, so that the advanced operation and synchronization of the flight and landing passenger operation control are realized, the start and stop feeling of passengers in the landing passenger process is reduced, and the sitting satisfaction degree is improved. An aerial docking method for constructing a low-altitude aircraft, comprising the following steps: the ground dispatching system identifies the route information and landing site information of the main aircraft, and confirms the connection task; step two, the ground dispatching system dispatches the connected aircraft to take off, and establishes multilink synchronous communication between the connected aircraft and the main aircraft; Thirdly, synchronizing the route and matching the speed of the connection aircraft and the main aircraft to realize the parallel track flight; step four, the docking aircraft and the main aircraft are docked in the air, and the passenger or goods transferring operation is carried out in the docking state; And fifthly, after the transfer operation is completed, separating the connection aircraft from the main aircraft, returning the connection aircraft for landing, and continuously executing the residual route by the main aircraft. Preferably, in the second step, the ground scheduling system dynamically calculates an optimal takeoff window of the docking aircraft according to the real-time position, speed, route and meteorological conditions of the main aircraft, and schedules the docking aircraft to take off at least 5 to 20 minutes before the predicted docking time. Preferably, in the fourth step, the docking mode includes mechanical docking, magnetic docking, pneumatic docking or hovering close docking, and the docking process adopts a multi-sensor fusion positioning system to perform closed-loop control of the relative position and the gesture. Preferably, in the fourth step, in the transferring operation, t