90 results about "Aircraft routing" patented technology

The invention discloses an expressway and airspace cooperative low-altitude aircraft route planning method, and relates to the field of path planning, and the method comprises the steps: optimizing the classification precision of each airspace hierarchy based on a decision tree algorithm and a Bayesian network; repulsive force field parameters are updated through a dynamic situation field updating mechanism; in each airspace level, calculating a gravitational field, a static repulsive force field and a dynamic repulsive force field of the expressway, and fusing to obtain a comprehensive potential field value of each airspace level; acquiring an initial path of an aircraft route by utilizing a greedy strategy and a priority rule and combining the comprehensive potential field value of the airspace level; and according to an artificial potential field local optimization algorithm and a dynamic conflict detection mechanism, adjusting the initial path of the aircraft route to obtain an aircraft route path. According to the invention, an artificial potential field method is combined, a layered collaborative planning algorithm is provided based on airspace ground collaborative potential field modeling, and efficient and safe navigation of the low-altitude aircraft is realized.

The invention relates to a low-altitude aircraft course operation longitudinal safety interval control method, which comprises the following steps of: identifying a position coordinate of a controlled aircraft, and calculating a safety position envelope corresponding to the controlled aircraft according to the position coordinate; acquiring information of a route where the controlled aircraft is located, and performing judgment according to the route information: if the route where the controlled aircraft is located is a low-density route, performing flight safety interval management by adopting a fixed blocking concept based on a safety position envelope corresponding to the controlled aircraft; if the course of the controlled aircraft is a high-density course, performing flight safety interval management by adopting a moving block concept based on the safety position envelope corresponding to the controlled aircraft; wherein the route information at least comprises a cruise operation time interval of two adjacent aircrafts. Compared with the prior art, the flight route density is judged according to the flight route information, interval management is carried out according to different flight route densities by adopting a rail transit fixed block or movable block concept, and the method has the advantages of being high in safety flight control reliability and the like.

Example embodiments are directed to generating an optimized network of flight paths and an operations volume around each of these flight paths. A network system creates a source network of paths, whereby the source network comprises a set of possible paths between two locations. The network system assigns a cost for traversing each edge of each path of the source network and aggregates the cost for traversing each edge of each path to obtain a cost for each path of the source network. Based on the cost for each path, the network system identifies a path having the lowest cost, whereby the path having the lowest cost is the optimized route between the two locations. The network system then generates an operations volume for the optimized route. The operations volume represents airspace surrounding the optimized route. The operations volume is transmitted to a further system for use.

The invention discloses a low-altitude aircraft airway meteorological data acquisition and processing method, and relates to the technical field of airway meteorological data acquisition, and the method comprises the following steps: obtaining a carrier phase observation value of a target satellite from a GNSS receiver, recording a corresponding timestamp, and carrying out the original turnover ambiguity resolution of the obtained carrier phase observation value; carrying out first-order differential processing on carrier phase observation values of the same satellite at two continuous time points, and constructing an instantaneous carrier phase variation sequence reflecting the phase change rate; according to the invention, through carrier phase disturbance feature extraction and deep learning multipath risk prediction, dynamic weight adjustment of multipath interference satellites is realized, the system anti-interference capability and the data processing robustness are improved, the space mismatching and meteorological misjudgment risks are significantly reduced, and the positioning precision and the track sensing reliability in a complex environment are guaranteed.

The invention relates to the technical field of aircraft route design, in particular to a Beidou grid-based low-altitude aircraft three-dimensional route design method, which comprises the following steps of: performing airspace type subdivision processing on a target flight area in a flight space model; judging the airspace available state of the airspace type; dividing an initial route coverage space of the target low-altitude aircraft; carrying out conflict investigation on the airspace use condition in the initial route range; when the conflict checking result is a conflict-free state, performing arc fitting on the air route space trajectory of the target low-altitude aircraft; and verifying the fitted route trajectory, and if the current airspace state is changed, adjusting the fitted route trajectory to obtain a three-dimensional route design scheme. According to the method, the airline can be planned by combining airspace type division and a dynamic available state, the airline can be changed and adjusted according to the real-time airspace, and the flexibility and safety of airline planning are improved.

The invention discloses a low-altitude aircraft route real-time meteorological risk early warning method and system, and belongs to the technical field of flight risk identification. The method is used for solving the technical problem that the missing report rate of sudden weather phenomena such as wind shear and micro downburst in an existing scheme is high. The three-dimensional wind shear and turbulence intensity is identified through bimodal cooperation, and the limitation of traditional single-parameter identification is broken through; through independent modeling of normal rigidity and tangential damping, the risk characteristics of vertical airflow and horizontal wind shear are decoupled, so that the risk identification precision can be effectively improved; a height self-adaptive threshold value can effectively reduce the false alarm rate of a low-altitude complex terrain scene; according to the nonlinear attenuation control, through a tanh function, a dynamic response that the larger the risk overshoot is, the stronger the control force is is, and the risk energy propagation depth can be effectively reduced; by using the amplification effect of fractional differential on weak disturbance, the detection rate of risk abrupt change can be effectively improved, and missing report of sudden risks is avoided.

The invention discloses a high-altitude wind field hourly forecasting circulation assimilation correction method for guaranteeing the safety of an air route of an aircraft, belongs to the field of aerospace meteorology, and solves the problem of how to improve the vertical layering fineness and resolution in a WRF mode forecasting result. Comprising the following steps: carrying out observation data preprocessing and quality control, and setting a background field error covariance and an observation error covariance; constructing a detection data assimilation scheme; judging weather conditions at an initial moment, and inputting observation data bound at a corresponding moment for assimilation to obtain an observation field; assimilating the observation field and the background field to generate an analysis field, and starting mode numerical forecasting by using the analysis field to obtain a high-altitude wind field hourly forecasting result; comparing with observation data, correcting and evaluating a high-altitude wind field hourly forecast result, and adjusting a detection data assimilation scheme to carry out cyclic assimilation correction until a forecast result meeting a preset standard of an aircraft route and an optimal detection data assimilation scheme are obtained; the accuracy of high-altitude wind forecasting is improved, and the safety of the air route of the aircraft is guaranteed.

The present application relates to the technical field of aviation meteorological support, and provides a meteorological display and alarm method, system, device and medium for aircraft navigation, which comprises receiving an aircraft route plan and collecting numerical weather forecasts of each place at the takeoff time of the aircraft; extracting wind speed, temperature, relative humidity, liquid water content and cloud droplet particle number density, and calculating the horizontal visibility, aircraft icing index, total cloud cover and aircraft turbulence index at the forecast time through adaptive attenuation interpolation based on feature perception; constructing an information box and a floating box of the route points on the aircraft route map; and performing meteorological display and alarm for aircraft navigation through the information box and the floating box according to the aircraft route plan. The present application uses regional meteorological forecast results to form meteorological forecast results for flight routes, can intuitively display the comprehensive meteorology on the route and form an alarm prompt, reduces the risk of information omission, increases the safety margin, and reduces the meteorological information processing workload of flight support personnel.

The embodiment of the invention discloses a method and device for determining route information, a storage medium and an aircraft, and relates to the technical field of aircraft route planning, and the method comprises the steps: obtaining a plurality of planned routes; determining turning time consumption of the aircraft at any waypoint according to the waypoint positions of any waypoint, the previous waypoint and the next waypoint for any waypoint between the starting point and the ending point in any planned route; determining action time consumption of the aircraft at any waypoint according to the navigation action; determining the corresponding leg time consumption according to the leg distance from any waypoint to the next waypoint; and according to all turning time consumption, action time consumption and leg time consumption in any planned route, determining route time consumption corresponding to any planned route so as to plan a preset navigation task. According to the scheme, more comprehensive and accurate route information estimation can be provided, meanwhile, the flight path can be better planned, the actual flight dynamics can be better considered, and route tasks can be executed more smoothly and efficiently.

To easily add a node for route setting of a flying object.SOLUTION: A node setting unit 140 acquires information (hereinafter, referred to as flight result information) which specifies a route on which any flying object 20 has actually flown. Then, the node setting unit 140 overlaps the routes (for example, routes R1, R2, R3) indicated by each piece of a plurality of flight result information. Then, the node setting unit recognizes an intersection point of a plurality of routes as a node. Then, the node setting unit recognizes a point among the recognized nodes that is not stored as a node in an information storage unit 110 (for example, a point marked with a symbol N in Figure 11 (B)) as a new node, and stores the new node in the information storage unit 110.SELECTED DRAWING: Figure 11

The invention relates to an aircraft route generation method, an aircraft route planning system and an aircraft. The method comprises the steps that the method is applied to a route planning system, route generation information for a current low-altitude area is obtained, the route generation information comprises map data, user set waypoints and aircraft parameters, the map data and the aircraft parameters are analyzed, route constraint conditions are obtained, and route planning information is obtained according to the user set waypoints and the route constraint conditions. And generating a target flight route. According to the scheme provided by the invention, the target flight route meeting the low-altitude requirement and the user requirement at the same time can be automatically generated, so that the low-altitude flight safety of the aircraft is improved.

The invention relates to the technical field of aircraft route planning, in particular to an aircraft control method and system for preventing long-distance flight collision, and the method comprises the steps: obtaining the offset distance between an aircraft and a set route at each moment in the flight process, and the measurement distance between the aircraft and a nearest obstacle; obtaining the dynamic stability of the aircraft in each time interval; determining the long-term balance degree of the aircraft in each time interval based on the autocorrelation of the flight heights of the aircraft at all moments in each time interval and the linear growth trend of the distance between the aircraft and the starting point in each time interval in combination with the fluctuation condition of extreme value distribution in the flight speeds of the aircraft at all moments in the time interval; and correcting a Q value updating method in the depth Q network, and performing route planning on the aircraft by using the corrected depth Q network. Therefore, the long-distance flight collision risk of the aircraft is reduced.

The embodiment of the invention provides an unmanned aircraft lightning protection method and system and a medium, and the method comprises the steps: obtaining the route information of an aircraft, and collecting the historical weather information in a flight region corresponding to a route according to the route information; establishing a weather prediction model according to the historical weather information in the flight area corresponding to the route, and generating weather prediction information; cloud layer distribution in the flight area is analyzed according to the meteorological prediction information, and cloud layer parameter information is obtained; calculating space charge distribution in the flight area according to the cloud layer parameter information; generating a lightning protection strategy according to the space charge distribution; adjusting the flight route of the aircraft according to the lightning protection strategy; the meteorological prediction model is established to predict the weather on the course of the aircraft, cloud layer parameters are obtained in advance, the space charges in the flight area are detected in real time, intelligent lightning protection is performed according to the space charge quantity, and the flight safety of the aircraft is improved.

The present disclosure relates to an electronic system for providing access to a useable, tailored database of selectable items for a user, e.g., user selectable routes entered by pilot users to utilize for flight planning and aircraft route guidance, and other related information from a remote processing center to a local unit over wireless, wire line, or telecommunications network or combination thereof. The disclosure more particularly relates, for example, to an electronic system including one or more remote processing centers and a plurality of local units, e.g., a desktop computer, laptop, tablet, cellular device, or mobile telephone unit, for providing to a pilot's local unit information of other pilot users from one or more databases, in particular, a pilot user's route with FAA identifiers (such as airports, VORs, NDBs, waypoints, reporting points, airways, etc.), waypoints, departure airport, destination airport, hazards, FAA VFR sectional and / or IFR airway map for guidance, pilot comments, and other information which has been calculated and / or stored at one or more remote processing centers in response to a query or selection request received from a local unit operated by an pilot user, for example.

A request for transport services that identifies a rider, an origin, and a destination is received from a client device. Eligibility of the request to be serviced by a vertical take-off and landing (VTOL) aircraft is determined based on the origin and the destination. A transportation system determines a first and a second hub for a leg of the transport request serviced by the VTOL aircraft and calculates a set of candidate routes from the first hub to the second hub. A provisioned route is selected from among the set of candidate routes based on network and environmental parameters and objectives including pre-determined acceptable noise levels, weather, and the presence and planned routes of other VTOL aircrafts along each of the candidate routes.

The invention relates to a yaw judgment method and device for low-altitude aircraft course operation and a medium. According to the method, when a low-altitude aircraft flies along a course according to a plan, the vertical distance between the current position of the aircraft and the course is calculated in real time, and the vertical distance is compared with a preset yaw threshold value; when the vertical distance is larger than a yaw threshold value, it is judged that the aircraft is yawed, and yaw early warning and warning are conducted. Compared with the prior art, static data configuration and software dynamic calculation are combined, yaw judgment is carried out on the aircraft running along the course in the low-altitude airspace through a simple algorithm, switching of cruise segments is fully considered, and the problem that yaw judgment at the turning position is not accurate is solved.

The application discloses an aircraft route calculation method based on route decomposition, comprising the following steps: obtaining route point data and aircraft navigation data of each flight phase in a route; comparing the height difference between two adjacent route points with the size of the route segment division threshold to determine the route segment type; calculating the route distance and heading of the climbing segment / descending segment, and the actual distance required for climbing / descending to the height of the end route point; comparing the size of the two, inserting the revised point required for the actual distance on the corresponding heading of the climbing segment, or inserting the descending point required for the actual distance on the corresponding heading of the descending segment, to obtain the route point coordinates, cumulative time, cumulative distance and cumulative fuel consumption of the new route segment; counting the output data of the current flight phase, and the output data of all flight phases in the route, to obtain the route planning result. The application makes the route calculation adaptable to different types of aircrafts without the aircraft system, and improves the generality and flexibility of the calculation method.

The present invention relates to the field of flight control technology, and particularly to a method for detecting conflicts in the collaborative operation of manned aircraft and unmanned aircraft in an urban scenario, including: a strategic-level conflict detection method for manned aircraft and unmanned aircraft. Before the flight activity of the manned aircraft, based on the static basic route information of the unmanned aircraft and the flight plan information of the manned aircraft, a minimum bounding box of the unmanned aircraft route and the manned aircraft flight plan is generated, and an R*-tree of the unmanned aircraft route is generated; retrieve whether there is a spatial overlap between the minimum bounding box MBB of the manned aircraft flight plan and the R*-tree of the unmanned aircraft route to determine the unmanned aircraft route affected by the manned aircraft flight plan; a tactical-level conflict detection method for manned aircraft and unmanned aircraft. During the flight activity of the manned aircraft, based on the spatial protection area of the manned aircraft and the basic static route information of the unmanned aircraft, it is calculated in real time whether there is a conflict between the spatial protection area of the manned aircraft and the unmanned aircraft route. The present invention can improve the operation efficiency of manned aircraft and unmanned aircraft in low-altitude airspace and avoid conflict risks.

The invention relates to the technical field of traffic checkpoint management, and provides an intelligent traffic automatic traffic checkpoint management method under low-altitude economy. Comprising the steps of using a multi-band radar and a photoelectric sensor to set a monitoring network to collect aircraft information, establishing an authority electronic fence under an identity authentication mechanism, checking license permission by means of a block chain, scheduling gate passing priorities according to a traffic flow prediction model, formulating a queuing sequence, and linking the ground and a low-altitude gate to cooperatively release. The technical problem of airspace congestion in a part of time periods caused by aircraft type difference and passing demands in different time periods is solved, and the purposes of establishing an aircraft identity authentication mechanism and an authority electronic fence, applying a traffic flow prediction model, combining aircraft multi-dimensional information and airspace load data, dynamically adjusting the gate passing priority, and improving the traffic flow prediction efficiency are achieved. The technical effects of reasonably determining an aircraft queuing sequence, planning an aircraft route and a ground traffic control strategy in advance, and improving the overall safety and passing efficiency of low-altitude and ground traffic are achieved.

The application discloses an aircraft route optimization scheduling processing method, device and system, and belongs to the low-altitude airspace transportation field, wherein the system comprises a preset route module, a demand response module, a plurality of manned automatic driving aircrafts, a centralized control and scheduling center, and the method comprises the following steps: presetting a plurality of routes according to the starting point, the ending point and a plurality of public airspaces along the way of the manned automatic driving aircraft; acquiring basic data of the manned automatic driving aircraft; receiving user demand; generating a demand response according to the basic data of the manned automatic driving aircraft, the preset route and the user demand; sending the demand response to the user; and according to the demand response, the manned automatic driving aircraft carries the user to complete the flight task specified in the demand response. Under the premise of meeting the basic service of customers and flight safety, the application maximizes the saving of passenger time and the operation cost of the manned automatic driving aircraft.

Computer implemented methods and systems construct and modify a schedule for an on-demand private aviation operator. Demand and supply information for one or more specific days in the future are obtained and used by a construction algorithm to construct a schedule for the one or more specific days that assigns respective aircraft to respective aircraft routes that include flight legs, assigns respective crew members to respective aircraft routes or flight legs thereof, to satisfy flight demands, while complying with constraints and achieving specified objective(s) of the construction algorithm. Thereafter, in response to receiving an indication of a change to the supply and / or demand information that warrants a modification to the schedule, an improvement algorithm is used to modify a portion of the schedule to address the change while complying with the constraints and achieving specified objective(s) of the improvement algorithm.

The present invention discloses a method for collecting and processing meteorological data for low-altitude aircraft routes, which relates to the technical field of route meteorological data collection and includes the following steps: obtaining carrier phase observations of target satellites from a GNSS receiver, recording corresponding timestamps, and performing original turnover ambiguity resolution on the obtained carrier phase observations; performing first-order difference processing on the carrier phase observations of the same satellite at two consecutive time points to construct a sequence of instantaneous carrier phase variation that reflects the phase change rate. The present invention realizes dynamic weight adjustment of multipath interference satellites through carrier phase disturbance feature extraction and deep learning multipath risk prediction, improves the system's anti-interference capability and data processing robustness, significantly reduces the risk of spatial mismatch and meteorological misjudgment, and ensures positioning accuracy and track perception reliability in complex environments.

The invention relates to the technical field of flight control, and particularly provides an aircraft route planning method and device, a storage medium and electronic equipment, and the method can comprise the steps: screening candidate sub-graphs meeting a flight task from a pre-constructed route knowledge graph; wherein the candidate sub-graph comprises at least one corridor path; one corridor path represents one connected area; the route knowledge graph is constructed by taking a plurality of corridor paths of a flight space as entities and semantic relationships and entity feature vectors of the entities; calculating a relation score of each corridor path in the at least one corridor path; and determining a flight route for executing the flight task from the at least one corridor path according to the relation score of each corridor path. According to the embodiment of the invention, efficient low-altitude route planning can be realized for the aircraft.

The application discloses a kind of long-term characteristics acquisition methods of meteorological elements of low-altitude different height layer with ten-meter spatial resolution, belong to the meteorological environment evaluation field of low-altitude aircraft route. Steps are as follows: S1, obtain the long-term historical meteorological three-dimensional data of the low-altitude route area covered in the RuiTu forecasting system;S2, convert the terrain and building white film data into the shape of the underlying surface under the model, generate the grid of the calculation domain;S3, coupling forms RuiTu-PALM system;S4, using RuiTu-PALM system, carry out long-term three-dimensional numerical simulation of ten-meter precision historical meteorological elements, obtain low-altitude meteorological multi-year calculation data of different vertical height layers with ten-meter horizontal resolution;S5, enhance the meteorological characteristics, establish ten-meter precision low-altitude meteorological multi-year enhancement database.The application can achieve ten-meter high spatial resolution, and has long-term representativeness and universality, and can be used to guide the planning and optimization of various low-altitude aircraft routes.

The invention provides an aircraft route task control and execution system, and the system comprises the steps: 1, constructing a three-dimensional map model, placing a mesh model above a 3D Gaussian sputtering model on a three-dimensional map engine, carrying out the nesting of the mesh model and the 3D Gaussian sputtering model, obtaining a mixed model of the mesh model and the 3D Gaussian sputtering model, bringing a shot picture into the mixed model, and carrying out the training, obtaining a three-dimensional map with three-dimensional coordinate data required by flight of the flight route; step 2, selecting a plurality of points on the three-dimensional map to be set as waypoints, and connecting the plurality of waypoints to form a route; step 3, endowing a route function to the waypoint; 4, simulating flight according to the waypoints selected in the step 2 and the step 3 and the functions of the waypoints; and 5, the aircraft receives a flight instruction, flies to the waypoint meeting the flight effect confirmed in the step 4, and executes a corresponding waypoint function at the same time.

The present invention discloses a method for detecting and quickly resolving aircraft route conflicts under a given road network structure. The method can be based on the given road network structure, through a consistent spatiotemporal analysis method, taking into account the constraints within the road network, and establishing a conflict detection model from several aspects such as same-direction pursuit, reverse intersection, and channel saturation, thereby achieving the qualitative detection of conflicts between multiple aircraft routes; and based on the conflict detection results, a conflict tree is constructed, and through a Monte Carlo tree search and focused branch reduction method, a feasible solution for the route conflict resolution adjustment scheme is searched, thereby achieving the generation of conflict-free route adjustments for multiple aircraft. The present invention detects the routes planned between aircraft, discovers possible collision risks in advance, and provides a fast and feasible route adjustment scheme to resolve conflict risks, thereby achieving conflict-free route planning for a large number of aerial aircraft under a given road network structure.

The application relates to the technical field of aircraft route planning, in particular to an aircraft control method and system for preventing long-distance flight collision, which comprises the following steps: acquiring the offset distance of an aircraft from a set route at each moment during flight, and the measured distance between the aircraft and the nearest obstacle; obtaining the dynamic stability of the aircraft in each time interval; determining the long-term balance degree of the aircraft in each time interval based on the autocorrelation of the flight height of the aircraft at all moments in each time interval, the linear growth trend of the distance between the aircraft and the departure point in each time interval, and the fluctuation of the extreme value distribution of the flight speed of the aircraft at all moments in each time interval; correcting the Q value updating method in the deep Q network; and planning the route of the aircraft by using the corrected deep Q network. Thus, the long-distance flight collision risk of the aircraft is reduced.

The invention provides a rapid updating method and system for aviation bump recognition based on aircraft real-time detection and a storage medium, and the method comprises the steps: obtaining a flight route region of an aircraft, and dividing the flight route region into sub-regions; a thunderstorm index of weather and aircraft route data are collected in a flight route area of the aircraft; and utilizing the aircraft route data and the thunderstorm index to construct a clear sky turbulence distribution diagram and construct a cumulative bumping area distribution diagram for the sub-areas of the flight route area of the aircraft for correction. Through the clear sky turbulence distribution diagram and the cumulative bumping area distribution diagram, an aircraft driver can better drive the aircraft away from the bumping area.

To provide a generation program for display data assisting determination of a flight route of an aircraft that narrows intervals between lightning risks upon displaying a prediction result of the lightning risk by use of a current lightning risk and a numerical forecast model, and to provide a display system for assisting determination of the flight route of the aircraft.SOLUTION: A display data generation program is configured to execute: first lightning risk degree derivation processing of deriving a current lightning risk degree for each of a plurality of areas sectioned in a mesh shape at a longitude and latitude, using rain / cloud information acquired from a weather radar; second lightning risk degree derivation processing of deriving a lightning risk degree for each of the plurality of areas up to a first time ahead using a history of the rain / cloud information acquired from the weather radar, not using a numerical forecast model; third lightning risk degree derivation processing of deriving a lightning risk degree for each of the plurality of areas up to a second time ahead after the first time ahead, using the rain / cloud information derived by using at least the numerical forecast model; and display data generation processing of generating display data for displaying a lightning risk degree derived by the first lightning risk degree derivation processing, the second lightning risk degree derivation processing and the third lightning risk degree derivation processing in time series.

Aircraft guidance system and associated guidance method The present invention relates to a guidance system (10) for an aircraft comprising: - an imaging chain (14) configured to reconstruct an image of the external environment; - a surveillance chain (16) configured to detect obstacles on the route of the aircraft; - a radar module (12); - a management module (31) configured to control the operation of the radar module (12) between a surveillance mode and a mixed mode; - a post-processing module (32) configured to process reflected waves in order to transmit signals corresponding to imaging type waves to the imaging chain (14) and / or signals corresponding to surveillance type waves to the surveillance chain (16). Figure for abstract: Figure 1