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449 results about "Flight operations" patented technology

Method and system for evaluating health state of rescue helicopter

ActiveCN120561524ABiological modelsICT adaptationAviation engineeringOriginal data
The invention provides a health state assessment method and system for a rescue helicopter, and relates to the technical field of aviation engineering, and the method comprises the steps: 1, building an integrated data aggregation platform, synchronously collecting flight operation parameters, maintenance files, abnormal event records and surrounding environment monitoring indexes, and carrying out the maintenance of the maintenance files; comprehensively covering key dimensions of a rotor device, a power transmission unit, a propelling device and sea climate conditions to form a comprehensive original data set; and step 2, based on the comprehensive original data set, applying a self-adaptive parameter adjustment mechanism to perform comprehensive calculation on an accumulated operation time length index, a periodic component residual efficiency value, a core health score, an abnormal repeated occurrence probability, typical problem association strength, an emergency severity degree and a marine climate erosion factor, and generating a comprehensive state index. The method accurately evaluates the health state of the rescue helicopter, reduces the flight risk, and improves the rescue decision and execution efficiency.
Owner:交通运输部东海第二救助飞行队

Pilot manipulation ability evaluation method and system based on multi-modal data and online learning driving

The invention discloses a pilot manipulation ability evaluation method and system based on multi-modal data and online learning driving. The method comprises the steps of determining an input parameter set, establishing a flight vision time sequence fusion network, and extracting each feature of the parameter set. And completing feature fusion of the multi-modal data through an attention mechanism and global aggregation. And constructing a pilot maneuvering ability evaluation architecture, and generating an offline pilot maneuvering ability evaluation model by designing a loss function based on a comprehensive scoring error and sub-scoring consistency constraint. Flight data and eye movement data streams generated in real time are fragmented and preprocessed by using a sliding window mechanism, a lightweight model based on pruning and parameter quantification technologies is designed for real-time scoring requirements, and feature expression ability in an offline pilot manipulation ability evaluation model is migrated to a lightweight online evaluation model. The method can be used for improving a pilot training scheme, optimizing the man-machine interface design of a cockpit, and improving the efficiency and safety of flight operation.
Owner:CIVIL AVIATION SHANGHAI HOSPITAL

Pilot fatigue detection and alert technology

Examples relate to a fatigue detection system to monitor and assess pilot fatigue levels during flight operations. An example system includes a wearable biometric sensor (WBS) integrated into a wristband that captures biometric data from the pilot. A processor analyzes the captured data to determine the pilot's fatigue level. When this level exceeds a predetermined threshold, the system provides an alert to the pilot through a haptic feedback mechanism in the wristband. Additionally, the system generates personalized fatigue mitigation advice, which is displayed on an electronic flight bag (EFB) application accessible to the pilot. The advice may include recommendations for taking a controlled rest, consuming caffeine, or engaging in physical activity. The system enhances flight safety by providing real-time alerts and actionable advice to combat pilot fatigue.
Owner:KANJILAL ANIJEET +3

Flight time adjustment management method and system in special scene

The invention belongs to the technical field of air traffic management, and relates to a flight time adjustment management method and system in a special scene. According to the method, the flight release priority sequence is constructed, the airport taxiway network topology and the dynamic limitation information are combined, the taxiing path is planned, the space-time conflict is detected, and the dynamic adjustment of flight ground operation and the coordination verification of the runway access time window are realized. The problems of frequent flight ground taxiing path conflicts, low scheduling efficiency and difficulty in accurate take-off time control in special scenes are solved, the safety and efficiency of airport ground operation are effectively improved, the flight taxiing time and the runway waiting time are reduced, the flight release sorting and the runway use plan are optimized, and the flight taxiing efficiency is improved. The flight scheduling cooperation capability in a complex operation environment is enhanced, and the orderliness and stability of flight operation are guaranteed.
Owner:CHINA WEST AIRPORT GRP CO

Low-altitude pilot AI model training application system

The invention, which relates to the technical field of aviation training, discloses a low-altitude pilot AI model training application system comprising a data module, an intelligent decision-making module, a flight simulation module, a communication module and an interface module. The data module comprises an aircraft type database, a flight operation knowledge base, a meteorological data interface and an airspace and airport database; and the aircraft type database is used for storing eVTOL detailed information of various aircrafts. According to the low-altitude pilot AI model training application system provided by the invention, by integrating the aircraft type database, the flight operation knowledge base, the real-time meteorological data and the airspace and airport database, a highly-simulated training environment is provided for a pilot, so that the coping ability of the pilot under the conditions of complex weather and special airspace can be effectively improved, and the coping ability of the pilot under the conditions of complex weather and special airspace can be improved. The training cost can be remarkably reduced, the training period is shortened, the flight state can be monitored and evaluated in real time through the built-in intelligent decision module, and the authenticity of flight simulation is improved.
Owner:ACCEL (TIANJIN) FLIGHT SIMULATION CO LTD

Flight operation guarantee intelligent collaborative intervention method based on DT and complex network

The invention discloses a flight operation guarantee intelligent collaborative intervention method based on DT and a complex network, and the method comprises the following steps: 1, building a flight ground operation guarantee digital twinborn model based on a data driving method, and achieving the virtual-real synchronization; step 2, establishing a flight ground operation guarantee complex network model; and step 3, flight operation guarantee intelligent collaborative intervention based on the digital twin model and the complex network model. Compared with the prior art, the method has the positive effects that the method has great value and practical significance for improving the traffic capacity of the airport and enhancing resource guarantee. Along with continuous development of the aviation transportation industry and complication of flight guarantee work, the method has wide application prospects, can be applied to various large airports, facilitates optimization of flight guarantee work procedures and improvement of operation efficiency, and meanwhile plays a positive role in promoting modernization management and intelligent development of the aviation guarantee industry.
Owner:CIVIL AVIATION FLIGHT UNIV OF CHINA

Power transmission and distribution line analysis method based on three-dimensional laser point cloud

The invention proposes a three-dimensional laser point cloud-based power transmission and distribution line analysis method, and the method comprises the following steps: carrying out the flight operation through employing an unmanned plane, carrying out the carrying of a three-dimensional laser scanner and a high-definition camera, collecting the point cloud data and image data of a power grid infrastructure scene, and carrying out the reconstruction of a three-dimensional model; segmenting the point cloud data, and distinguishing the ground, buildings and trees; and performing tree detection on the image, and outputting a bounding box, a type and a confidence coefficient of the tree. According to the method, lodging prediction is carried out by combining the health condition of the tree, the meteorological data and the soil environment data, and compared with the prior art, the method can be used for a power grid infrastructure scene with only poles and towers and without wires, and the reliability of the power grid infrastructure scene is greatly improved during actual simulation of wire erection. The method can effectively predict the possible tree lodging condition in the later-stage lead use process, facilitates the proceeding of the lead erection work in the initial stage, greatly reduces the operation complexity, and improves the intelligent means of line operation and maintenance.
Owner:STATE GRID FUJIAN ELECTRIC POWER RES INST +2

Plant protection unmanned aerial vehicle operation method integrating weed recognition and real-time variable spraying

The invention discloses a plant protection unmanned aerial vehicle operation method fusing weed recognition and real-time variable spraying, and the method comprises the following steps: employing a plant protection unmanned aerial vehicle to carry a multispectral sensor, collecting multispectral data in real time, and generating a high-resolution multispectral image; converting the radiation intensity value into an actual reflectivity value by using a spectral reflectivity standard plate; according to the generated multispectral image, an NDVI value is calculated in real time through an airborne calculation module; in combination with flight path data, mapping the NDVI index and the geographic position of the flight operation; the classification standard of the NDVI value is adjusted in combination with a machine learning algorithm, and a spraying operation prescription map is generated; the electronic control spraying device adjusts the spraying flow in real time; and establishing a spraying model, and calculating an adjustment coefficient alpha to obtain the average pesticide application amount Y per mu. According to the plant protection unmanned aerial vehicle operation method, the spraying amount can be adjusted according to field weed distribution and crop growth vigor, the precision of plant protection operation is improved, the pesticide usage amount is reduced, and environmental pollution is reduced.
Owner:SOUTH CHINA AGRICULTURAL UNIVERSITY

Airfield pavement crack identification method and system, electronic equipment and medium

The invention discloses an airport pavement crack identification method and system, electronic equipment and a medium, and relates to the technical field of data processing. The method comprises the following steps: acquiring multi-temporal image data and flight operation data of an airport pavement; extracting the multi-temporal image data to obtain crack evolution characteristics of a plurality of regions, and calculating load response characteristics of each region; taking the crack evolution characteristics as node attributes, determining load transmission paths and transmission intensities between adjacent areas as edge weights, and generating a damage network structure; determining crack evolution rates of a plurality of damage nodes and evolution coefficients of corresponding areas through the damage network structure, and constructing a load-evolution incidence matrix; screening each damage node, determining a target damage node, and determining a propagation path and an influence range of the target damage node; the crack expansion trend in the target period is obtained, and a corresponding maintenance report is generated. By implementing the technical scheme provided by the invention, the accuracy of airfield pavement crack identification can be improved.
Owner:BEIJING JINGANG ROAD ENGINEERING CONSTRUCTION CO LTD

AGV obstacle avoidance path planning method in unmanned warehousing system

The invention discloses an AGV obstacle avoidance path planning method in an unmanned warehousing system, and the method comprises the steps: employing nested Logistic mapping and Skew Tent mapping to generate a chaotic initialization population to replace a population generation mode of a conventional differential evolution algorithm, carrying out the Levy flight operation after the selection operation, and carrying out the global path search on an environment map, thereby achieving the optimal path planning. And obtaining an AGV global feasible path avoiding obstacles in the environment map, and when the AGV has an unknown obstacle on the feasible path, re-planning the local path by adopting a dynamic window method so as to enable the AGV to realize an obstacle avoidance process in an interval where the unknown obstacle is located. The improved differential evolution algorithm enhances the global search capability through chaos initialization and a Levy flight strategy, and the AGV can quickly respond to an unknown obstacle through a dynamic window rule. The adaptability and the accuracy of path planning are improved, and the obstacle avoidance capability and the safety of the AGV in a complex environment are enhanced at the same time.
Owner:MASCH TECH DEV CO LTD

Self-walking unmanned aerial vehicle and control method

The invention discloses a self-walking unmanned aerial vehicle and a control method. The self-walking unmanned aerial vehicle comprises an unmanned aerial vehicle module, a walking module, an electrical connector assembly and a power system. The unmanned aerial vehicle module comprises a first driving mechanism; the walking module is detachably arranged at the bottom of the unmanned aerial vehicle module and comprises a second driving mechanism; the electrical connector assembly comprises a first electrical connector piece arranged on the unmanned aerial vehicle module and a second electrical connector piece arranged on the walking module, the first electrical connector piece and the second electrical connector piece are detachably connected in a matched mode, and the second driving mechanism is electrically connected with the second electrical connector piece; the power system is arranged on the unmanned aerial vehicle module and comprises a flight control unit and a power supply unit, and the first driving mechanism and the first electrical connector are electrically connected with the flight control unit and the power supply unit respectively. The self-walking unmanned aerial vehicle is good in environmental adaptability, small in load during flight operation and low in energy consumption, the unmanned aerial vehicle module and the walking module can share one set of power system, and the manufacturing cost is low.
Owner:SUZHOU HAIPUS AVIATION TECHNOLOGY CO LTD

Unmanned aerial vehicle traffic control method fused with dynamic obstacle avoidance

The invention relates to an unmanned aerial vehicle traffic control method fused with dynamic obstacle avoidance, and relates to the field of unmanned aerial vehicle cooperative control. Static obstacle parameters are obtained, and an unmanned aerial vehicle control twin space is built in combination with the multiple dynamic potential energy field models; and when the multiple unmanned aerial vehicles are in flight operation, the unmanned aerial vehicles are utilized to control twin spaces, a deadlock detection mechanism and a deadlock solving mechanism are combined to execute dynamic regulation and control of an air route, and the positions of the unmanned aerial vehicles are iteratively updated until all the unmanned aerial vehicles reach respective target points. According to the invention, the problems of local minimum value, route conflict and deadlock of a multi-unmanned aerial vehicle system cannot be effectively solved by a traditional unmanned aerial vehicle control method can be solved; efficient sensing of the unmanned aerial vehicle can be realized through dynamic sensing range adjustment; the deadlock problem in flight can be solved through deadlock detection and a multi-dimensional solution mechanism; and the obstacle avoidance efficiency of the multiple unmanned aerial vehicles is optimized through priority dynamic allocation and a vertical separation strategy.
Owner:GUANGDONG UNIV OF TECH

Unmanned aerial vehicle emergency processing method and system

The invention provides an unmanned aerial vehicle emergency processing method and system, and belongs to the technical field of unmanned aerial vehicle emergency management, and the method comprises the steps: detecting historical related parameters and historical environment parameters of an unmanned aerial vehicle, analyzing the historical related parameters and the historical environment parameters, and setting a triggering condition; judging whether a triggering condition is met or not according to the real-time data of the unmanned aerial vehicle, determining a corresponding emergency condition from a condition-condition table, switching to an emergency model according to the emergency condition, and preparing to execute return flight operation; acquiring current position information and environment data, planning a return path by using an obstacle avoidance algorithm, and planning a flight strategy by using an intelligent algorithm; according to real-time relevant parameters of the unmanned aerial vehicle, a landable area around a path is determined, the landable area is screened in real time, a final landing area is determined, and landing operation is executed, so that the autonomous coping ability and safety of the unmanned aerial vehicle in an emergency are improved, and it is ensured that the unmanned aerial vehicle effectively executes tasks in a complex environment.
Owner:BEIJING RUISHI EQUIP TECH CO LTD

Multi-mode man-machine interaction aircraft simulation training system

The invention relates to the technical field of aircraft simulation training, and discloses a multi-mode man-machine interaction aircraft simulation training system. A multi-modal feature extraction module of the system generates a multi-modal feature map including a flight environment situation map and an equipment operation health map through a hierarchical feature extraction network; the incremental analysis module divides an incremental data set, updates flight state prediction model parameters through an incremental clustering algorithm and outputs an incremental state prediction result; the parameter optimization layer initializes a tabu search population according to a prediction result, and iteratively optimizes parameters of an operation rule base through a dynamic efficiency evaluation matrix; the decision generation module fuses the optimized rule base parameters and the real-time multi-modal feature map, and generates a flight operation instruction sequence based on dynamic confidence score; and the execution optimization layer analyzes the instruction sequence, satisfies constraint conditions through a constraint projection algorithm, and completes instruction sequence integer programming in combination with the operation portrait deviation. The system improves the interaction accuracy and scene adaptability of simulation training.
Owner:LIAONING HANGKE XINCHUANG TECHNOLOGY DEVELOPMENT CO LTD

Carrier-based aircraft intelligent re-flight decision-making method based on Bagging algorithm

The invention provides a carrier-based aircraft intelligent re-flight decision-making method based on a Bagging algorithm, and relates to the technical field of carrier-based aircraft re-flight decision-making. According to the method, a carrier-based aircraft is simulated in different flight states to obtain carrier-based aircraft re-flight track clusters, a re-flight boundary criterion is used for carrying out flag bit definition on the re-flight tracks, and the carrier-based aircraft re-flight track clusters are obtained; therefore, a re-flight decision-making system is converted into a dichotomy problem of re-flight track cluster data, and in a carrier landing process, real-time flight state quantity of a shipboard aircraft is input into a re-flight decision-making model, and the model calculates whether current carrier landing is dangerous or not in real time. In the process, the shipboard aircraft can predict whether re-flight operation needs to be executed or not in real time and whether re-flight has risks or not. Therefore, the safety of carrier landing and re-flying of the shipboard aircraft is ensured. Finally, the method can effectively improve the safety of the shipboard aircraft during carrier landing and re-flight, ensures the carrier landing recovery efficiency, and lays a technical foundation for the carrier landing and re-flight decision of the shipboard aircraft.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Multi-unmanned aerial vehicle cooperative lifting method, equipment, platform and system

The invention discloses a multi-unmanned aerial vehicle cooperative lifting method, device, platform and system. The method comprises the steps that a flight control computer obtains platform state information of a whole subsystem at the current moment and unmanned aerial vehicle state information of all unmanned aerial vehicles at the current moment; the flight control computer calculates the total control input of the overall subsystem at the current moment; the flight control computer calculates the total control input based on a set multi-unmanned aerial vehicle cooperative dynamics model and the state information of the unmanned aerial vehicle at the current moment to obtain sub-control input corresponding to each unmanned aerial vehicle at the current moment; and the flight control computer generates a control instruction based on the sub-control input and sends the control instruction to each unmanned aerial vehicle, so that the unmanned aerial vehicle responds to the control instruction and executes flight operation according to the sub-control input. According to the multi-unmanned-aerial-vehicle cooperative hoisting system, efficient coordination of the multi-unmanned-aerial-vehicle cooperative hoisting system on operation tasks of the multiple unmanned aerial vehicles is achieved, the limitation that the carrying capacity of a single unmanned aerial vehicle is insufficient is overcome, and the carrying capacity requirement of large-mass transportation is met.
Owner:BEIJING GUANGYI AIRLINES TECHNOLOGY CO LTD

Unmanned aerial vehicle control system

There is disclosed a multirotor UAV in which electric motors are arranged to drive propellors under the control of an on-board flight controller. The UAV has a plurality of sensors and a first processor for providing sensor signals to the flight controller in normal mode of in-flight operation. The UAV has a three-dimensional depth scanner and a further data processor for processing the three-dimensional depth scanner, wherein the further data processor is selectively activated to process the three-dimensional depth scanner data in a second mode of in-flight operation when fling in close proximity to an external structure. The further data processor creates a three-dimensional map of the external structure for control of the flight of the UAV proximate thereto. The UAV can operate in a GPS-denied and / or compass-denied mode. One or more sensor can detect a profile of an external structure within a predetermined vicinity of the UAV. A depth sensor can detect a visible feature in the environment. The control system is operable to log the visible feature as reference point and to determine yaw readings for use by the flight controller relative to said reference point. The control system comprising can receive the outputs of the distance scanning sensor and the location determining system and can define a mapping boundary around a current position of the UAV. The mapping boundary is of a defined size that is smaller than the scanning range of the position scanning sensor. The data processor generates a map of any surfaces within the mapping boundary and the flight controller is arranged to output control instructions for control of the propulsive rotors based upon the map.
Owner:ASPIRA AERIAL APPL LTD

Systems and methods for implementing communications handovers between ground-based stations in an aviation communications network

Disclosed herein is a method for performing communication link handoffs between ground-based stations and aircraft in an aviation communications network. In the communications network, ground based stations interspersed throughout a coverage area of the network can be utilized to provide one or more aircraft flying within the coverage area with communications links that facilitate communication between an operator and an aircraft. In one or more examples, during the operation of the flight, the spectrum management system or other controller can coordinate the transfer of communications responsibilities between ground-stations of the network. The network can use a priori information from the flight plan to pre-coordinate handovers before the actual handover is to be initiated. In one or more examples, pre-coordination can include exchanging cryptographic keys between a source base station and a probable target base station of a handover.
Owner:AURA NETWORK SYSTEMS INC

Mixed operation airport small single-shot training aircraft wake flow encountering risk analysis method

The invention relates to the technical field of aircraft wake flow risk analysis, and discloses a mixed operation airport small single-shot training aircraft wake flow encountering risk analysis method. Collecting flight operation programs and information of each subject of training flight, extracting key flight features, and obtaining an average movement track of typical flight tasks of the public transport aircraft and the small training aircraft through clustering analysis; secondly, analyzing a running track and a cross point, carrying out numerical simulation analysis on wake flow of the cross point of the track based on CFD, and constructing an aircraft trailing vortex wake flow dissipation database; finally, an improved strip-shaped belt method is used for calculating extra lift force changes, caused by wake flow vortex fields, of all the parts, then the rolling torque coefficient of the small training aircraft during wake flow encounter is calculated, and the wake flow encounter risk is evaluated. According to the method, the risk that the general single-shot coach aircraft encounters the wake flow of the front civil aviation transport aircraft in the take-off, approach and other stages of the mixed-purpose airport can be accurately evaluated, and the operation efficiency of the mixed-purpose airport is further improved.
Owner:CIVIL AVIATION FLIGHT UNIV OF CHINA

Unmanned aerial vehicle homeward voyage method, device, equipment, medium and product

The invention relates to the technical field of unmanned aerial vehicles, and discloses an unmanned aerial vehicle homeward voyage method, device, equipment, medium and product, and the method comprises the steps: controlling a target unmanned aerial vehicle to homeward voyage and starting a second wireless communication module if the communication connection between the target unmanned aerial vehicle and a target hangar is detected to be disconnected; obtaining at least one piece of preset connection information; the preset connection information comprises a connection name and a secret key of the wireless access point; based on the at least one piece of preset connection information, wireless access point searching is carried out through the second wireless communication module until the second wireless communication module is connected with the wireless access point; and controlling the target unmanned aerial vehicle to enter a warehouse through signaling interaction of the wireless access point. According to the scheme, after the unmanned aerial vehicle depot is disconnected, the second wireless communication module can be started for wireless access point searching, so that the unmanned aerial vehicle depot allowing return flight is contacted, return flight operation of the target unmanned aerial vehicle is executed, and safe return flight and warehousing of the unmanned aerial vehicle after the communication module is damaged and the ground is disconnected are achieved.
Owner:紫光天际(南京)科技有限公司

Flight delay prediction method based on multi-modal data fusion and large model fine tuning

The invention belongs to the technical field of flight delay prediction, and discloses a flight delay prediction method based on multi-modal data fusion and large model fine tuning. According to the method, firstly, a flight delay prediction state space model is established, and dynamic characteristics and random characteristics of flight delay are effectively captured by dividing flight operation stages and analyzing delay generation and propagation modes of each stage, so that system states and observation data which are crucial to prediction are focused on. Secondly, performing fine adjustment on the Qwen large model by adopting a LoRA method, performing fine adjustment on the large model by utilizing historical flight data, and performing real-time delay prediction in combination with real-time flight data so as to improve the prediction precision and response speed of the large model; a final flight delay prediction result is obtained by performing weighted fusion on a prediction result obtained by reasoning based on the fine-tuned Qwen large model and a state space model estimated value obtained through processing, and the accuracy and reliability of the prediction result are effectively ensured.
Owner:CHINA EASTERN AIRLINES E-COMMERCE CO LTD +1

Multi-rotor unmanned aerial vehicle capable of automatically adjusting positions and deflection angles of vehicle arms

The invention discloses a multi-rotor unmanned aerial vehicle capable of automatically adjusting the position and the deflection angle of a vehicle arm, and belongs to the technical field of multi-rotor unmanned aerial vehicles. The multi-rotor unmanned aerial vehicle comprises the vehicle arm of the multi-rotor unmanned aerial vehicle and rotors arranged on the vehicle arm, and the vehicle arm and the rotors are symmetrically distributed on the two sides of a vehicle body of the unmanned aerial vehicle in a high-low mode; a folding mechanism is arranged between a vehicle arm and a vehicle body of the multi-rotor unmanned aerial vehicle, so that the vehicle arm of the multi-rotor unmanned aerial vehicle can be driven to perform position adjustment and angle deflection through the folding mechanism; the multi-rotor unmanned aerial vehicle further comprises damping structures arranged on two adjacent side plates of the multi-rotor unmanned aerial vehicle. According to the multi-rotor unmanned aerial vehicle capable of automatically adjusting the positions and the deflection angles of the vehicle arms, position adjustment and angle deflection of the vehicle arms are achieved through the folding mechanisms, so that the multi-rotor unmanned aerial vehicle can adapt to flight operation of different space sizes or variable spaces, and meanwhile due to the fact that the vehicle arms can achieve adjustment of the axle distance through the folding mechanisms, the vehicle arms can be conveniently folded. The occupied space of the multi-rotor unmanned aerial vehicle can be reduced, and carrying and transportation are convenient.
Owner:NAT INNOVATION INST OF DEFENSE TECH PLA ACAD OF MILITARY SCI

Aircraft fly-by-wire teaching simulation system

The invention discloses an aircraft fly-by-wire teaching simulation system, which comprises a flight operation table, a simulation computer and a comprehensive display system, the flight operation platform is in communication connection with the simulation computer; and the comprehensive display system is electrically connected with the simulation computer, and the comprehensive display system is used for displaying teaching contents of the fly-by-wire control system of the airplane, virtual flight scenes and virtual cabin instruments. A virtual reality technology is adopted, and technical means such as computer simulation and system modeling are comprehensively adopted, so that flight trainees can more intuitively understand theoretical knowledge such as basic composition, working principle, control rate calculation and control instruction response of an aircraft telex system, and the aircraft telex system can be simulated through control simulation training. Feedback of each functional module of the aircraft telex system to an aircraft control instruction is sensed in an immersive manner, the telex system theoretical knowledge level of a pilot can be improved, meanwhile, the actual installation loss is reduced, and economy and safety are achieved.
Owner:PLA AIR FORCE AVIATION UNIVERSITY

Flight delay time prediction method and system based on dynamic gating MoE

The invention relates to a flight delay time prediction method and system based on dynamic gating MoE, and the method comprises the following steps: collecting flight historical operation data, carrying out the data preprocessing, and constructing a prediction data set; performing feature vectorization coding on the prediction data set in the form of a time sequence matrix, and extracting time sequence features of the prediction data set by using a multi-head attention mechanism; inputting the time sequence characteristics of the prediction data set into a dynamic gating MoE, adaptively selecting and combining the outputs of the routing expert sub-model and the shared expert sub-model through a dynamic gating mechanism, and obtaining fusion characteristics; and generating flight delay time prediction results according to the fusion features, wherein the flight delay time prediction results comprise departure delay time prediction results and arrival delay time prediction results. Compared with the prior art, the method has the advantages that the accuracy and stability of departure and arrival delay time prediction are remarkably improved, and the adaptability and expandability of the model to the complex flight operation situation are enhanced.
Owner:TONGJI UNIV +1

Flying operation robot visual servo control method for material delivery

The invention relates to a material delivery-oriented flying operation robot visual servo control method. Comprising the following steps: S1, constructing a four-rotor unmanned aerial vehicle system model carrying a mechanical arm and a two-degree-of-freedom manipulator model; s2, constructing pixel points of the dynamic target in the imaging plane of the flight platform, and constructing a virtual image moment according to the pixel points so as to realize tracking control of the flight operation robot on the dynamic target; s3, designing a position controller under the conditions that the target is visible and the target is invisible, and achieving the position control of the flight platform; s4, on the basis of attitude angle information acquired by an inertial measurement unit and a constructed virtual yaw image moment, designing a global fast nonsingular terminal sliding mode attitude controller to carry out attitude control on the flying operation robot; and S5, converting the image moment acquired by the airborne camera, designing an image-based flight operation robot mechanical arm control method, and realizing stable tracking of a mechanical arm end effector on a dynamic target.
Owner:FUZHOU UNIV

Unmanned Aerial Vehicle Visual Point Cloud Navigation

Methods, systems and apparatus, including computer programs encoded on computer storage media for unmanned aerial vehicle flight operations near physical structures or objects. In particular, a point cloud of the physical structure is generated using aerial images of the structure. The point cloud is then referenced to determine a flight path for the UAV to follow around the physical structure, determine whether a planned flight path to desired locations around the structure is possible, determine the fastest route to return home and land from a given position around the physical structure, determine possibility of inflight collision to surface represented in point cloud, or determine an orientation of a fixed or gimballed camera given a position of the UAV relative the point cloud.
Owner:SKYDIO INC

Flight control system, flight control method, electronic device, and storage medium

The invention discloses a flight control system, a flight control method, electronic equipment and a storage medium. The method comprises a flight plan creation module used for creating a flight plan according to flight seat reservation information of a target flight and aircraft configuration data of the target flight; the flight operation preparation module is in communication connection with the flight plan creation module and is used for creating a flight seat map and check-in preparation data of the flight plan according to a seat control algorithm; the flight operation execution module is connected with the flight operation preparation module and used for executing check-in operation according to the check-in preparation data and the flight seat map to obtain a check-in result; and the flight information change module is connected with the flight plan creation module, the flight operation preparation module and the flight operation execution module, and is used for determining a first target module based on the change type of the change information in response to the received change information. According to the invention, the technical problem of low flight control efficiency in related technologies is solved.
Owner:TRAVELSKY TECHNOLOGY LIMITED

Power supply system of mooring unmanned aerial vehicle

The invention discloses a power supply system of a mooring unmanned aerial vehicle, a power supply and a standby power supply, which are used for supplying power to the mooring unmanned aerial vehicle. The transmission circuit is used for transmitting current output by the power supply or the standby power supply; the detection module is used for performing current detection on the transmission circuit to obtain a current state signal; if it is determined that the current state signal indicates that the current is abnormal, the current of the standby power supply is transmitted to the mooring unmanned aerial vehicle through a boosting module; if it is determined that the current state signal indicates that the current is normal, the current of the power supply is transmitted to the mooring unmanned aerial vehicle. By implementing the embodiment of the invention, the power supply system of the mooring unmanned aerial vehicle can transmit the current of the standby power supply to the mooring unmanned aerial vehicle through the boosting module when judging that the current state signal indicates that the current is abnormal so as to maintain subsequent flight operation of the mooring unmanned aerial vehicle, so that the working stability of the mooring unmanned aerial vehicle is ensured, and the working efficiency of the mooring unmanned aerial vehicle is improved. And the practicability of the mooring unmanned aerial vehicle is also improved.
Owner:GUANGZHOU CHENGZHI INTELLIGENT MACHINE TECH CO LTD

Cooperative interval management conversion program optimization method based on flight demand uncertainty

The invention provides a collaborative interval management conversion program optimization method based on flight demand uncertainty. The method comprises the following steps: determining an uncertainty variable of a collaborative interval management conversion program CMCP optimization problem; estimating probability density function key parameters of normal distribution of the uncertainty variables according to historical data; constructing a CMCP opportunity constrained programming model and equivalent transformation thereof; and solving the converted CMCP opportunity constraint programming model based on a particle swarm algorithm. According to the method, the flight demand uncertainty factor, namely the uncertainty of the flight point passing time, is considered. Under the condition that the actual flight passing time is uncertain and interfered, the flight operation based on the optimization result can keep good airspace performance, so that the actual execution effect of the flight plan cannot be seriously fluctuated due to the uncertainty of the flight passing time.
Owner:中电莱斯信息系统有限公司