88 results about "Aviation safety" patented technology

The present invention provides a method, system and devices to establish safe mechanisms for controlling aerial navigation of Unmanned Vehicles (for example. unmanned aerial vehicles, UAVs). Safety in the aerial navigation of the UAVs is increased, through authentication, authorization and monitoring mechanisms that address current technical vulnerabilities, especially in UAV control communications and in the information generated by the UAV, creating links between the pilot of the UAV, the UAV and aviation safety control / regulation (ASAs) bodies.

A method to facilitate securing of air-to-ground communications for an aircraft is provided. The method includes receiving security management information at the aircraft via at least one broadband data link prior to takeoff of the aircraft. The security management information is received for ground entities that can be communicatively coupled with the aircraft traveling on a flight path. The method of securing avionics also includes validating the security management information for the ground entities, and storing the validated security management information for the ground entities in the aircraft. The validating and storing of security management information occur prior to takeoff of the aircraft.

A computer implemented method for an aviation system to manage the temporal assignment of airport gates for use by a plurality of aircratf includes the steps of: (a) collecting and storing data, (b) processing the data to predict the trajectories of the aircraft, (c) processing the data to predict the loads imposed on the ground resources and gates (d) processing the data, trajectories and loads to identify the various possible ways to distribute the ground system resources and assign the gates so as to meet the time constraints of the predicted trajectories and loads, and (e) assigning to each of the plurality of aircraft a gate for use for a prescribed period.

The present application discloses a system for scanning a shoe for illegal materials. The system includes an X-ray source for projecting a beam of X-rays onto the shoe, a detector array for detecting X-rays transmitted through the shoe and at least one metal detector coil for detecting metals within the shoe. The system produces a radiographic image of the shoe by processing the detected X-rays and data obtained from the at least one metal detector coil. Other embodiments are directed toward other screening technologies, including millimeter wave screening technologies.

The invention provides a composite sensor. The radial section structure of the sensor comprises an outer layer, an inner layer and a middle layer; the outer layer comprises a metal shielding case for shielding and radial electrodes for fixing the structure and isolating detection electrodes, and one end of each of a plurality of radial electrodes is connected on the inner circumference of the metal shielding case in equal interval; the inner layer is a metallic conduit, and the other ends of the plurality of radial electrodes are connected on the metallic conduit; and the middle layer comprises a plurality of detection electrodes, and each detection electrode is arranged between two radial electrodes and fixed on the metallic conduit. The invention simultaneously provides a composite-sensor-based aircraft engine gas circuit fault detection and diagnosis method. By the new aircraft engine gas circuit parameter detection method provided by the invention, timely and comprehensive information is provided for the maintenance of an aircraft engine, and the aviation safety is promoted; and a theoretical and engineering design basis is provided for developing a novel aircraft engine gas circuit state monitoring instrument. The detection method is provided for multi-phase flow detection equipment under special environments and adopted in detection of high-temperature and large-size systems.

The invention discloses an intelligent robot for repelling birds. The intelligent robot for repelling the birds comprises a bird monitoring module, an air quality detection module, a PLC controller and a remote controller. The input ends of the bird monitoring module, the air quality detection module and the PLC controller are respectively connected with the output end of a power supply module. The power supply module comprises a solar panel and a wind power generator. The intelligent robot for repelling the birds achieves the monitoring function on the birds through a vibration sensor, a radar sensor, an infrared sensor and a pyroelectric infrared sensor, and can effectively improve the monitoring ability of the robot on the birds. Meanwhile, in a bird repelling module, an ultrasonic birdrepelling module, a flash bird repelling module, a voice bird repelling module and a smell bird repelling module are adopted, so that the effects of ultrasonic bird repelling, flash bird repelling, voice bird repelling and smell bird repelling on the birds can be achieved, the bird repelling effect of the robot is effectively improved, and not only the aviation safety is protected, but also the property and life safety of passengers are maintained.

The invention discloses an aviation safety accident causal relationship extraction method. The method comprises the steps of text data preprocessing; extracting explicit causal relationships; Extracting an implicit causal relationship; and generating a causal relationship chain. The method has the advantages that the mode matching method is applied to extraction of the explicit causal relationshipof the aviation safety accident, and the bidirectional LSTM method based on the self-attention mechanism is adopted; applying the At-BiLstm + PI to implicit causal relationship extraction, giving a single accident causal relationship chain on the basis that identification and extraction of a single aviation safety accident causal relationship pair are effectively achieved, and good data and method support is provided for scene reproduction and comprehensive analysis of aviation safety accidents.

The invention discloses an aviation maintenance tool management system based on an RF (radio frequency) label. The aviation maintenance tool management system based on the RF label comprises an intelligent tool storeroom unit, an intelligent tool box unit and an intelligent tool with the RF label, wherein a network terminal, and an RF label reader and a Zigbee receiving and dispatching module which are respectively connected with the network terminal are arranged in the intelligent tool storeroom unit, the intelligent tool box unit comprises a main control module which uses power supplied by a power module, and an RF label reading and writing module, an RF label reading and writing module trigger, a Zigbee communication module and a peripheral input and output module which are respectively connected with the main control module, the RF label reader reads a primary serial number of the RF label reading and writing module in the intelligent tool box unit and primary attribute information of the RF label carried by the intelligent tool placed in the intelligent tool box unit, and the Zigbee receiving and dispatching module receives the primary serial number and the primary attribute information, and wirelessly sends the primary serial number and the primary attribute information to the network terminal. The maintenance tool management system based on the RF label achieves aviation maintenance tool automation management, greatly reduces probability of leaving behind a maintenance tool, and improves aviation safety.

Disclosed is an ultra-broadband spectrum laser bird dispeller. The ultra-broadband spectrum laser bird dispeller comprises a laser device, an optical coupling system, a nonlinear optical material, an optical collimation system, an optical attenuator, an optical beam splitter, an optical focusing system, an optical collimation and beam expanding system, an optical mirror, an optical emergence window, a vertical mechanical rotating platform, a vertical mechanical rotating platform driving source, a horizontal mechanical rotating platform, a horizontal mechanical rotating platform driving source, a photoelectric receiver, a photoelectric control system and a remote control system. By the ultra-broadband spectrum laser bird dispeller, the problems of few bird dispelling species, poor bird adaptability of single-wavelength laser bird dispelling are solved effectively, and bird dispelling effect and bird dispelling efficiency are improved; application field and application range are expanded greatly, and the ultra-broadband spectrum laser bird dispeller can be used for dispelling other wildlife. The laser bird dispeller can be widely applied to places such as airports, orchards, forest farms, aquaculture farms, power stations, urban environmental protection areas and natural ecological preservation areas, and is of great significance to aviation safety, agriculture, fishery and forestry development, wildlife protection, ecological balance and the like.

The present invention relates to aeronautical security management over a broadband air / ground network. A method to facilitate securing of air-to-ground communications for an aircraft is provided. The method includes receiving security management information at the aircraft via at least one broadband data link prior to takeoff of the aircraft. The security management information is received for ground entities that can be communicatively coupled with the aircraft traveling on a flight path. The method of securing avionics also includes validating the security management information for the ground entities, and storing the validated security management information for the ground entities in the aircraft. The validating and storing of security management information occur prior to takeoff of the aircraft.

The invention provides an automatic classification method and device for aviation safety reports, provides a kg2vec + CNN aviation safety report automatic classification scheme, uses a kg2vec model totrain word vectors of the aviation safety reports to serve as a feature matrix of aviation safety report text data, and inputs the feature matrix into a convolutional neural network. A new text feature vector is obtained after convolution kernel pooling, at the moment, the feature vector not only contains rich semantic features but also contains grammatical features, finally, the feature vector is input into a softmax classifier to be classified, a classification result is obtained, and therefore automatic classification for the aviation safety reports is achieved. Detailed experiments are carried out on a real aviation safety report data set, and experimental results show that kg2vec word vectors can effectively improve the classification accuracy of aviation safety reports; in all control experiments, the F1-score value of the kg2vec + CNN automatic classification scheme is the highest, and the classification accuracy is as high as 91.4%.

The invention discloses an aviation-safety radar device for bird repellent. The radar device comprises a mounting base, the top of which is provided with a mounting groove; a drive motor is fixed at the bottom of the mounting base by bolts; a rotation disc sleeved in a mounting hole is fixed on an output shaft of the drive motor; a first fixed block and a fixed rod are welded at the top of the rotating disc; the first fixed block is located at one side of the fixed rod; an electric cylinder is hinged at one side of the first fixed block; a second fixed block is hinged on a piston rod of the electric cylinder. Through setting of the drive motor and the rotating disc, the aviation-safety radar device can be used for adjusting the direction of a radar main body, facilitating detection of birdflocks in different directions and further implementing multi-directional detection; a moving vehicle body does not need to steer, thus the operation is convenient; the electric cylinder, a first mounting plate and the fixed rod can be used for adjusting a detection angle of the radar main body, thereby facilitating detection of the bird flocks in different heights.

A method and apparatus for enhancing aviation safety, ensuring that unmanned aircraft remain well clear of other flying objects, are disclosed. A control station acquires a direction of a path of a flying object and periodically transmits requests to a transponder of the flying object to acquire specific data. Upon receiving a response to a request, a range of the flying object from the control station is determined. Using data acquired from each three consecutive responses, the displacement magnitude, the speed, and angular displacements of the flying object are determined. The method assesses potential crossing of a protection zone surrounding a protected aircraft based on most recent acquired data.

The invention belongs to the field of aviation safety design, and particularly relates to a throwing separating mechanism for a civil aircraft. In the prior art, a recorder and an aircraft body crash simultaneously in an aircraft accident. At present, most of existing domestic and overseas throwing separating mechanisms are used for military aircrafts. From consideration to life safety of people and flight safety of aircrafts, a throwing recorder which takes a large number of initiating explosive devices as power devices cannot meet requirements of civil aircrafts to throwing separating mechanisms of throwing type recorders. The invention provides the throwing separating mechanism used on the civil aircraft. The throwing separating mechanism used on the civil aircraft consists of a bottom cover, a base, a fixing clamp, a compression spring, a connecting flange, a steel ball, a fixing screw, a push shaft, a steel ball dropping groove and a driving component, is used for separating a throwing recording from an aircraft body before the aviation accident of the civil aircraft, and is simple in structure; and an energy source required for throwing separating action is small, so that damage to people and the aircraft is limited during throwing separating.