258 results about "Air transport" patented technology

The invention, which relates to the technical field of air transportation and income management, discloses a dynamic generation method and system for an air travel price, and the system comprises a user behavior fine-grained tracking module, a dynamic pricing decision engine module, a cross-channel cooperative control module, and a compliance auditing and feedback module. Through a real-time data stream fusion technology, multivariate signals such as competition dynamic signals, user behavior signals and external environment signals are integrated, and second-level strategy response is realized in combination with the online training capability of a reinforcement learning model; through dynamic state space modeling, variables such as demand popularity, user sensitivity and external risk are coded into six-dimensional vectors, and the limitation of a fixed formula is broken through in combination with the nonlinear mapping capability of a deep Q network; through three measures of dynamic modeling, elastic constraint and cross-chain cooperation, the problems of response lag, high compliance risk and split user experience of a traditional pricing technology are solved.

The invention discloses a training data set processing method and a freight rate file analysis method. Relates to the field of data processing, and the method comprises the steps: obtaining air transportation price bill data, obtaining a freight rate data interface document used by an aviation institution, and extracting basic transportation price bill data from the freight rate data interface document; the air transportation price bill data is disassembled to obtain M groups of freight rate data, the M groups of freight rate data are labeled to obtain labeled freight rate data, and the labeled freight rate data at least comprises a rule type, a general rule type and an annotation type; a data set used for model training is generated according to the marked freight rate data and the basic transportation price bill data, and the model data set comprises a document set and a data set associated with the document. Through the method and the device, the technical problems of high cost, low efficiency and limited accuracy in manual marking of the training data set in the related technology are solved.

A payload including a housing provided with one or more toothed guides or with one or more docking mechanisms, each of which is configured to detachably toothedly interact with an unmanned aircraft apparatus being docked so as to enable the movement of said docked unmanned aircraft apparatus with respect to the housing of the payload, wherein the housing of the payload is further configured to detachably toothedly interact with yet another (other) unmanned aircraft apparatus so as to enable the action of said yet another unmanned aircraft apparatus onto said docked unmanned aircraft apparatus for withdrawal of the latter from interaction with the housing of the payload. Furthermore, embodiments of an air transport system include two or more unmanned aircraft apparatuses and one of the payload.

The utility model relates to the field of air transportation, and discloses a device for automatically conveying board-beating goods during board-beating of air goods, which comprises a base, a lifting frame is arranged at the top of the right side of the base, a platform is arranged at the top of the lifting frame, a first conveying belt is arranged in the platform, and a supporting plate is arranged at the top of the left side of the base. A second conveying belt is arranged in the supporting plate, a lifting assembly is installed on the top of the base and comprises two first portals, the bottom ends of the first portals are fixedly connected to the top of the base, and a shell is fixedly connected to the top ends of the first portals. According to the conveying device, the chain is pulled through the driving mechanism, the chain wheel starts to rotate under the supporting of the first portal and the protection of the shell, meanwhile, the fixing block drives the first steel rope to pull the supporting plate and the second conveying belt to ascend and descend, goods are automatically and rapidly moved to the designated position, and the first conveying belt conveys the goods from the ground to the second conveying belt up and down; and the working efficiency and the safety coefficient are effectively improved.

The invention belongs to the technical field of air transportation management, and discloses a multi-source data fused sorting method and system for airport flight coordinated launch. The method comprises the following steps: collecting a multi-source data source of a flight; performing multi-source data fusion, generating a five-dimensional dynamic situation matrix, and reflecting the comprehensive state of the flight in real time; judging whether manual priority ranking processing is carried out or not; by constructing an intelligent decision-making system for aircraft departure sorting, optimization target decision-making and intelligent sorting are carried out; the visual sorting interface displays the alternative push-out sorting schemes; obtaining a sorting result of flight coordination deduction; establishing a dynamic reentry mechanism for flights with updated resources or changed states, and reinserting the flights into the global sorting queue; and balancing the adaptation degree of the original priority and the new state of the flight through a dynamic weight distribution algorithm. The airport flight scheduling efficiency is improved, so that flight delay is reduced, the operation efficiency is improved, and the passenger satisfaction degree is enhanced.

The invention discloses an intelligent bird strike prevention and control method and system based on multi-source data, and relates to the field of aviation safety, in particular to the intelligent bird strike prevention and control method based on the multi-source data. The intelligent bird strike prevention and control method based on the multi-source data comprises the steps that aircraft position data are collected; acquiring bird position data; preprocessing the data; constructing a hybrid space-time convolutional neural network, a long-short-term memory network and a physical constraint aircraft trajectory prediction model; constructing a bird trajectory prediction model of a mixed long and short-term memory network and a graph neural network; constructing a collision detection model combined with a mahalanobis distance; risk grade evaluation; and risk grading response. According to the invention, the problems that the data structure is single and different air defense measures are not taken for different risk levels in the prior art are solved. Therefore, the probability of bird strike accidents is effectively reduced, and the safety performance of air transportation is improved.

The utility model discloses an aviation material putting platform, which relates to the field of aviation transportation and comprises a clamping mechanism, the clamping mechanism comprises an electromagnetic push-pull rod, the electromagnetic push-pull rod is fixedly mounted at the bottom of a translation mechanism, two connecting rods are hinged to the bottom end of the output end of the electromagnetic push-pull rod, and clamping arms are hinged to the other ends of the connecting rods. Supporting rods are arranged on the two sides of the electromagnetic push-pull rod and fixedly connected to the bottom of the translation mechanism, and clamping arms are hinged to the bottom ends of the supporting rods. The material putting platform is an unmanned aerial vehicle, battlefield information is collected and transmitted back to the rear portion through a control and image transmission device, no person goes deep into the front line of a battlefield, casualties can be reduced, the fighting capacity is improved, opening and closing of a clamping arm are achieved through stretching and retracting of an electromagnetic push-pull rod, and aviation materials are fixed and released; rapid installation and rapid throwing of aviation materials can be achieved, the task response time is prolonged, a battlefield can be rapidly supported, and therefore casualties are reduced, and advantages are formed for our battlebureau.

The invention discloses an improved YOLOv8-based aircraft surface defect detection algorithm and system, and belongs to the technical field of aircraft detection. The method comprises the following steps: acquiring data by using an unmanned aerial vehicle carried with a high-resolution camera, and carrying out standardized labeling and enhanced preprocessing on the data; a double-layer routing attention mechanism is introduced on the basis of a YOLOv8 algorithm, a BiFormer universal visual converter is constructed, and the multi-scale feature extraction capability is enhanced; adopting a two-stage hyper-parameter optimization strategy and a mixed precision training technology to optimize the model; and a user-friendly software system is developed, and real-time docking between the unmanned aerial vehicle and software is realized. The method can be widely applied to the field of civil aviation, can accurately and efficiently detect various defects such as corrosion, scratches and cracks on the surface of an aircraft, automatically generates a detection report, provides decision support for maintenance personnel, improves the safety and reliability of an air transportation system, and can also be popularized to other fields such as surface detection of unmanned aerial vehicles and spacecrafts.

The invention discloses an air-drop and air-delivery large unmanned aerial vehicle ultra-low-altitude flight control system and method, and belongs to the field of flight control systems, and the system comprises a flight control module, a drop control module, an environment sensing module, a gravity center balance adjustment module and a data storage and interaction module. The flight control module is used for controlling the unmanned aerial vehicle to fly at an ultra-low altitude and ensuring that the flight attitude is stable, so that the position error is less than or equal to 10m, the height error is less than or equal to 2m and the flight path deviation is less than or equal to 10m when the unmanned aerial vehicle flies at the ultra-low altitude; the delivery control module is used for supporting a single delivery mode and a rapid continuous delivery mode, the maximum delivery of 1.2 tons of goods can be achieved, at most four pieces of goods can be delivered in a single flight, the delivery control module is compatible with parachute air delivery and non-parachute air delivery, and the delivery precision of the parachute air delivery at the high altitude of 300 meters is smaller than 100 meters. According to the invention, the unmanned aerial vehicle delivery precision can be improved, the stability is high, and material waste or incapability of accurately delivering to a target area is avoided.

A payload including a housing provided with one or more toothed guides or with one or more docking mechanisms, each of which is configured to detachably toothedly interact with an unmanned aircraft apparatus being docked so as to enable the movement of said docked unmanned aircraft apparatus with respect to the housing of the payload, wherein the housing of the payload is further configured to detachably toothedly interact with yet another (other) unmanned aircraft apparatus so as to enable the action of said yet another unmanned aircraft apparatus onto said docked unmanned aircraft apparatus for withdrawal of the latter from interaction with the housing of the payload. Furthermore, embodiments of an air transport system include two or more unmanned aircraft apparatuses and one of the payload.

The invention discloses a scheduling method and system matched with air luggage change information, and relates to the technical field of air transportation intelligent scheduling, and the method comprises the steps: collecting luggage change information, passenger travel data and airport equipment state data in an air transportation scene in real time, and outputting an original data stream; an airport operation digital twinborn body is constructed in the element universe, a collaborative transfer path is imported into a digital twinborn environment for space-time preview simulation, luggage flow conflict points are detected in real time, and a physical constraint conflict area coordinate set is marked; inverse solution is carried out on conflict events and traceability strategy defect features in rehearsal simulation through an inverse reinforcement learning algorithm, a reward function space is reconstructed, and gradient compensation parameters are output; and fusing the physical constraint conflict region coordinate set and the gradient compensation parameters, generating a three-dimensional space scheduling instruction set, and executing instruction issuing. Based on the space-time rehearsal simulation method, the security boundary of the luggage transfer path is accurately identified, and the physical constraint overrun risk is effectively reduced.

The invention discloses a self-adaptive regulation and control method and system for an in-cabin environment driven by vital signs of a wounded person, and relates to the technical field of crossing of medical equipment and environment control. According to the self-adaptive regulation and control method and system for the in-cabin environment driven by the vital signs of the wounded person, a four-dimensional data acquisition system composed of physiology, environment, medical intervention and space-time scenes is built; the method comprises the following steps: synchronously acquiring multi-dimensional vital signs including brain electricity, skin electricity and other nerve and stress indexes, an in-cabin dynamic environment including detailed parameters such as airflow velocity and particulate matter concentration, external medical operation covering drug dosage and equipment working parameters, and transfer scene data including altitude change and bumping intensity; the limitation that only single environment or physiological data is acquired in the prior art is solved; when a craniocerebral injury wounded person is transported in an air transport mode, the system can be combined with the altitude change rate and the electroencephalogram alpha wave power, the blood oxygen lowering risk can be pre-judged 10 minutes in advance, and the problem that misjudgment is conducted only through current data traditionally is avoided.

There was a lack of understanding of cavity warning signs during normal times, and in the event of a disaster, advance road clearance plans could not be dynamically updated to reflect the actual situation, resulting in delays and personal delays. There was no integrated operation of authority adjustment across multiple administrators, allocation of equipment and personnel, preparation for communication outages, or reflecting knowledge from training and past performance. Solution: The information acquisition department collects data from satellites, optical fiber, vehicles, etc., and the analysis department performs integrated analysis. The road clearance department registers a preliminary plan, and the road clearance implementation plan is dynamically optimized based on the analysis results. The feasibility of achieving 24 / 48 / 72-hour targets is evaluated using reinforcement learning, and consideration is given to determining the transfer of authority, spatial optimization of bases and equipment, redundant communications, heavy equipment operation and robotics collaboration, training and performance learning, and conflict assessment through intellectual property investigations. Multi-hazard risks are quantified and weighted by priority, and a redundant network is formed in conjunction with the evaluation of bases such as roadside stations. Special equipment and sea and air transport are integrated, and abandoned vehicle removal and the automatic assembly of contracted companies are controlled, and emergency restoration plans are automatically generated along with alternative route selection.

This utility model discloses a connection structure between the main frame and the stretcher in an air transport system, including: several fixing pins at the front and rear ends of the stretcher; a stretcher placement platform on the main frame; flaps on the front and rear sides of the main frame, each flap being hinged to the corresponding end of the main frame via a pivot; a guide tube inside each flap, each guide tube having an clearance hole on its wall; a push block inside each guide tube, each push block having a fixed hook connection part extending out of the corresponding guide tube and connected to a hook; a push rod connected to each push block, each push rod extending sequentially from the corresponding longitudinal beam of the main frame and having an unlocking button fixed thereafter; a first elastic element between each unlocking button and the corresponding longitudinal beam; and several flap positioning holes and several stretcher positioning holes on each flap. The advantage of this utility model is that it allows for quick installation or removal of the stretcher from the main frame.

The invention relates to the technical field of airport safety protection, and discloses an airport bird strike and unmanned aerial vehicle intrusion prevention integrated fusion method and system. The method comprises the following steps: acquiring dynamic image data, radar monitoring data and runway use state data of an airport surrounding area; generating bird flock and unmanned aerial vehicle activity characteristic parameters by using a preset model, generating a fusion risk coefficient through multi-source data fusion processing, and dividing early warning levels; a dynamic prevention strategy is generated in combination with the data, and a bird repelling device and unmanned aerial vehicle countering equipment are controlled; and collecting equipment operation feedback data, updating an early warning level and adjusting a prevention strategy. The system comprises a data acquisition module, an identification analysis module, a strategy generation module, an equipment control module and a feedback adjustment module. According to the invention, integrated fusion of bird strike and unmanned aerial vehicle intrusion prevention is realized, the risk is accurately evaluated, the airport safety guarantee capability is improved, and the air transportation safety is guaranteed.

The invention relates to a data entry method and device, electronic equipment and a medium, the method is applied to one entry source in multiple entry sources, and the method comprises the following steps: receiving an entry request for entering first data for a target object; determining whether historical input data for the target object exists or not; under the condition that the historical input data for the target object exists, obtaining a historical input source corresponding to the last historical input data; determining whether the historical input source is consistent with an execution input source of the input request; under the condition that the historical input source is inconsistent with the execution input source, determining input priorities of the historical input source and the execution input source; and prohibiting the entry of the first data under the condition that the entry priority indicates that the priority of the historical entry source is higher than the priority of the execution entry source. The input process is convenient, input card control is intelligent, and the intelligent degree of air transportation information management and the collaborative consistency of multiple input sources can be improved.

The invention belongs to the technical field of ship transportation, and particularly relates to a draft-adjustable water-land-air transport ship which comprises a transport ship body and a traction mechanism. The transportation ship body is connected with the traction mechanism; the traction mechanism is used for driving the transportation ship body to move; according to the transport ship body, a first floating box is of a box body structure with an opening in the bottom, a plurality of penetrating openings are formed in the top of the first floating box in an array mode, a second floating box is arranged in each penetrating opening in an up-down sliding mode, and each second floating box is of an empty box body structure and used for loading various cargoes; a suspender structure is arranged on the periphery of each second buoyancy tank, a vertical rod is arranged outside each side wall of each second buoyancy tank, the vertical rods penetrate through the top of the first buoyancy tank in a sliding mode, and the upper ends and the lower ends of the four vertical rods are connected with one another through cross-shaped rods; all the cross rods located on the upper portion are connected with one another through connecting rods. The transportation ship body is connected with the traction mechanism, water-land-air all-directional transportation is achieved, and the adaptability of the device to different environments during transportation can be improved.

1. Name of the product in this design: Blower (3010C). 2. Intended use of this design: for ventilation, air exchange, and air transport, etc. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

1. Name of the Design Product: Civil Aviation Cold Chain Container. 2. Use of the Design Product: Used for storing frozen or chilled goods during air transportation. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photo that Best Illustrates the Design Key Points: Perspective view.

Provided is a system and method for security screening, the method including: matching, by at least one of at least one processor, a passenger name of a passenger in a baggage source message (BSM) with a passenger name in a manifest, wherein the BSM comprises travel data of a first mode of travel of a luggage item of the passenger on an air carrier; extracting, by at least one of the at least one processor, an International Air Transport Association (IATA) license plate number from the BSM for the luggage item; accessing, by at least one of the at least one processor, security screening image and related data captured during a first mode of travel security screen of the luggage item using the IATA license plate number; displaying, by at least one of the at least one processor, a graphical user interface (GUI) on a display device to analyze the screening image and related data; and obtaining via a scanning device, by at least one of the at least one processor, a mark representative of the analysis result in response to scanning an IATA license plate barcode affixed to the luggage item, wherein the analysis result is representative of one of: a security compliance of the luggage item to cross a border or to transfer to a second mode of travel, and a non-security compliance of the luggage item.

This utility model discloses a PMC-3Y type enclosure panel in the field of aviation storage rack technology. It includes a PMC panel base, hinges fixedly connected to the upper ends of both sides of the PMC panel base, a side frame fixedly connected to one side of each hinge, and a front frame rotatably connected to both sides of the side frame via hinges. A column is fixedly connected to one side of the front frame. Locking devices are fixedly connected to the front and rear ends of the PMC panel base, with the column locked inside the locking devices. The two front frames are fixedly connected by a mesh door assembly, which includes horizontal straps, vertical straps, and buckles. The horizontal straps are fixedly sleeved to the two front frames, and the two ends of the vertical straps are fixedly connected to the PMC panel base and the horizontal straps, respectively. Both the horizontal and vertical straps are fixedly connected to buckles. This enclosure design secures goods in a fence-like manner, allowing for effective cargo securing during air transport. The adjustable mesh door assembly on both sides of the enclosure facilitates quick loading and unloading of goods.

This disclosure presents a method for handling passenger baggage during return travel. This process includes obtaining, using an acquisition device, the origin bag tag identifier (O-BTI) or International Air Transport Association (IATA) license plate associated with a bag tag affixed to the passenger's baggage. This O-BIT is used to create a digital BTI data record linked to the travel carrier. The method also includes printing, using a printing device, a return segment travel IATA format bag tag for the return flight linked to the origin printed bag tag. In addition, the method allows for remote check-in of the passenger for the return flight by accessing a B-type message using the digital BTI data record, the B-type message including the passenger reservation record (PNR) number.

The invention relates to the technical field of intelligent security check, and discloses a video analysis and prediction system applied to intelligent scheduling management of a security check channel, and the system comprises a data processing module which obtains flight information from a flight information system of an airport, fuses real-time passenger flow data collected by video monitoring, and constructs a multi-dimensional data set; the multi-curve analysis module is used for generating a full-load curve, an actual attendance curve, a historical prediction curve and a crew curve based on the multi-dimensional data set; and the intelligent scheduling recommendation module is used for calculating the number of security check channels required at the current time point according to the real-time number of people obtained by superposing the full load curve, the actual attendance curve, the historical prediction curve and the crew curve in combination with a preset security check speed. By means of the scheme, minute-level data processing, multi-dimensional prediction analysis and intelligent scheduling can be achieved, so that the security check efficiency and the resource utilization rate are improved, and efficient and safe operation of air transportation is guaranteed.

The present invention relates to the technical field of video analysis means, and specifically, to a method for real-time multi-target tracking of passengers in a terminal. This method is based on video surveillance data in the terminal, with passengers as the main tracking objects, and aims to complete real-time multi-target tracking in the terminal scenario. Secondly, the proposed multi-target tracking method can analyze the surveillance video in the terminal in real time and accurately track multiple passengers. This technology not only improves monitoring efficiency, such as being able to count passengers in real time and set early warning broadcasts, but also optimizes passenger flow lines, reduces congestion, and thus enhances the overall travel experience of passengers. Combined with the current aviation transportation industry's growing demand for safety and efficiency, this method will provide airport management departments with strong data and technical support, enabling them to respond to emergencies in a timely manner on the basis of real-time monitoring, and enhance the level of intelligence in airport operations.

The invention relates to the technical field of air transportation management, in particular to a flight delay response grade evaluation method and central control equipment in an airport, and the method comprises the steps: obtaining a delay feature evaluation index value based on flight actual operation data and flight plan data in a central control system in a specified airport; according to the response level interval information to which the delay feature evaluation indexes belong and the delay feature evaluation index values, an improved matter-element model is adopted for processing, and an association degree matrix and a weight sequence of the delay feature evaluation indexes and response levels are obtained; according to the correlation degree matrix and the weight sequence, obtaining an evaluation value of flight delay; and obtaining an evaluation result of the flight delay response level according to the evaluation value and the evaluation rule of the flight delay. According to the method, factors comprehensively considered by a large-area flight delay index system in different time periods are fully considered, optimization of a future development trend on a current early warning level judgment result is considered, and the current early warning level judgment result is dynamically corrected, so that an early warning decision has perspectiveness.

The invention discloses a general aviation short-distance transportation demand spatial heterogeneity analysis method based on multi-scale geographically weighted regression (MGWR), relates to the technical field of aviation transportation demand prediction and influence factor analysis, and aims to accurately predict general aviation short-distance transportation demands. And the spatial heterogeneity characteristics of the key factors influencing the general aviation requirements are accurately revealed. The method comprises the following steps: firstly, constructing a generalized cost function containing different types of costs in combination with an inter-city traffic trip mode; secondly, introducing an improved condition Logit model, constructing a competition model among different intercity transportation modes, and predicting potential demands of general aviation short-distance transportation; thirdly, screening factor indexes influencing general aviation short-distance transportation; and finally, constructing an MGWR model, and revealing changes and differences of influence degrees of different factors in space. According to the method, the spatial heterogeneity of the regional general aviation short-distance transportation demand influence factors can be effectively evaluated, and technical support is provided for general aviation airport layout planning and operation management.

This invention belongs to the field of unmanned aerial vehicle (UAV) technology, specifically a shipborne UAV and its combined land-sea-air transport method, including a shipborne endurance device. The shipborne endurance device includes a hollow hull, a solar panel fixedly connected to the top of the hollow hull, a battery fixedly connected to the upper part of the hollow hull, a sleeve fixedly connected to the upper part of the hollow hull, a cargo compartment sleeved on the outer ring of the sleeve, and a fully charged controller fixedly connected to the upper part of the hollow hull. The relative movement of two sets of centering clamping plates can center and clamp the cargo compartment, keeping the center of gravity of the cargo compartment and the UAV aligned, thereby reducing airflow vortex interference encountered by the UAV when carrying the cargo compartment, thus improving the stability of the UAV's flight. Furthermore, the limitation of the limiting rod can prevent the cargo compartment from slipping and causing damage to the cargo inside the cargo compartment, thereby improving the integrity of the cargo inside the cargo compartment during transportation.

The application discloses a kind of cloud end collaborative aviation work load distribution method and system, belong to aviation transport technical field;Including: collecting flight dynamics, personnel qualification, physiological state and environmental data;Adaptive threshold denoising in sliding window median, uniform timestamp, based on fuzzy time window association fusion, construct load evaluation dataset;Multi-modal load prediction model fusion time series network, graph convolution network based on historical co-protection frequency normalized edge weight and attention mechanism, modeling inter-post load conduction, predict future load;With load variance, task balance, fatigue risk and cost as target, introduce adaptive crossover mutation optimization scheduling;Using cumulative prospect theory to evaluate fatigue, multidimensional weighted calculation basic score and deviation, distinguish the prospect value mapping level of income loss domain;According to the flow of flight dynamic adjustment safety threshold, over-limit early warning intervention.

The utility model discloses a PMC-F type fence plate, and relates to the technical field of air transportation. The PMC-F type fence plate comprises a PMC plate base, a steel wire sliding block assembly, a lower sealing assembly, an upper sealing assembly and a net door assembly, the steel wire sliding block assembly comprises a first sliding block and a steel wire rope, a U-shaped buckle is arranged on the outer surface of the steel wire rope, and the lower sealing assembly comprises a lower sealing long frame, a lower sealing short frame and a lower sealing reinforcing rib. The upper sealing assembly comprises upper sealing reinforcing ribs, an upper sealing long frame and an upper sealing short frame, mooring guide rails are arranged on the outer surfaces of the lower sealing short frame and the upper sealing short frame, and the net door assembly comprises a first transverse pull belt, a second transverse pull belt, a first longitudinal pull belt and a second longitudinal pull belt. According to the container plate, goods on the container plate can be firmly fixed and protected, and loading and unloading of the goods are facilitated.

This invention discloses a method for selecting airdrop areas in high-altitude mountainous air transport. Based on data using raster images, raster pyramids, and vector hybrid data, and after dimensionless data processing, this invention pre-selects all candidate areas through GIS spatial analysis and constructs an evaluation index system that comprehensively considers the necessary specific needs for airdrop area selection in high-altitude air transport logistics. Then, the AHP decision analysis method is used to select candidate areas within the analysis scope and calculate evaluation values. Finally, K-Means clustering is used to group the candidate areas through iterative calculation, realizing a data-driven method for accurate airdrop area selection in high-altitude mountainous areas. The K-Means clustering grouping, calculated through iterative calculation, serves as the final result, providing a reasonable basis for site selection decisions. This invention offers accurate site selection results and good programming support, and can be widely applied in air transport, emergency management, and other departments to conduct airdrop area site selection data integration, information system construction, and new theoretical research.