14 results about "Aircraft Accident" patented technology

The invention discloses a risk superposition-considered dangerous driving risk quantitative evaluation and early warning grading method, and relates to the field of aircraft driving safety, and the method comprises the steps: selecting a pilot dangerous driving single-source risk characterization index, and carrying out the quantification; constructing a pilot dangerous driving single-source risk quantitative evaluation model and a pilot dangerous driving multi-source risk superposition model; predicting the dangerous driving comprehensive risk of the pilot; grading the dangerous driving comprehensive risk of the pilot; sending a grading early warning signal to the pilot according to the prediction structure; the pilot dangerous driving risk quantitative evaluation model is constructed, graded early warning is performed on the result, the pilot dangerous driving behavior characteristics are comprehensively analyzed, and the pilot dangerous driving risk can be efficiently sensed, predicted and early warned, so that the aircraft accident rate is reduced, and the air transportation safety is improved.

To prevent an aircraft accident caused by unconsciousness by continuously tracking a consciousness state of an aircraft pilot.SOLUTION: A device for collecting biometric and posture information for tracking consciousness of a rotorcraft pilot, collects a physiological signal, posture information, etc. of a rotorcraft pilot by comprehensively utilizing cameras, on-body wearable devices, control stick pressure detection sensors, etc. while an aircraft pilot is in flight to track a state of consciousness of the rotorcraft pilot in real time, transmits the collected biometric information to an integrated data processing and storage device with a built-in flight data recorder, and generates a warning signal upon identification of singularity associated with loss of consciousness.SELECTED DRAWING: Figure 1

The utility model provides an EVTOL competitive power supply system capable of avoiding loss of external low-voltage power supply, which comprises a relay power supply module and a flyback conversion module, an internal battery pack of an aircraft is subjected to voltage reduction through the flyback conversion module and then is output from an internal battery pack voltage reduction output port on the flyback conversion module; and the internal battery pack voltage reduction output port and the external low-voltage power supply module are simultaneously connected with the relay power supply module. According to the utility model, the power supply of the controller adopts a dual-redundancy power supply mode of the internal battery pack and the external low-voltage power supply module, and the internal battery pack and the external low-voltage power supply module form a competitive power supply relationship through the relay power supply module; the controller is continuously powered by the internal battery pack, so that the aircraft is prevented from being out of control due to power failure of the controller, and aircraft accidents are reduced.

To solve the problem that although members of the armed forces, very important persons, and citizens have their own precious lives, military aircrafts and VIP-only aircrafts are equipped with parachutes as safety measures against an aircraft accident while passenger aircrafts are not, and passengers of passenger aircrafts are so large in number and cannot get ready to escape in seconds through carriage, distribution and wearing of parachutes in the aircrafts, and are not trained in descending.SOLUTION: A parachute and an automatic parachute opening device are stored in the "backrest" of a seat of an aircraft, and then once a connecting mechanism between the "stool" and "backrest" of the seat is automatically or manually disconnect for emergency escape, the passenger has the parachute fixed with the seat belt on his or her back and gets free from the seat instantaneously, so that the passenger who is thrown out of the aircraft which has been disintegrated in midair, or jumps out by himself or herself can escape from the aircraft before the aircraft crashes.SELECTED DRAWING: Figure 1

The invention belongs to the technical field of aircraft landing gear design, and particularly relates to an aircraft landing gear anti-swing damping determination method and system, which considers structural friction damping, can quickly determine aircraft landing gear anti-swing damping, guides design and improvement of an aircraft landing gear, meets the iteration requirements of quick design and improvement of the aircraft landing gear, and avoids aircraft accidents.

The invention discloses an aircraft flight data accident investigation inversion method based on video image data, and the method comprises the steps: S1, screening a front video image P1 and a rear video image P2 from video stream data, obtaining the actually measured longitude and latitude and elevation of reference objects A and B and the distance from the reference objects A and B to a shooting position, and obtaining the conversion coefficient of the pixel distance and the actually measured distance in the video images; s2, constructing a geographic coordinate system taking a camera shooting position as an original point and taking the ground as a coordinate plane, performing conversion processing through a conversion coefficient, uniformly expressing the converted information to the geographic coordinate system, respectively calculating geographic coordinate information of an aircraft position C and an aircraft position C1, fitting a connecting line to serve as a speculative trajectory, constructing a flight data set, and storing the speculated trajectory containing the geographic coordinate information into a flight data set and outputting the flight data set. According to the method, important flight data such as the track, the speed and the height of the accident aircraft can be obtained through inversion based on the video stream data, and accurate and reliable flight data support is provided for aircraft accident investigation.

The application discloses a dangerous driving risk quantitative evaluation and early warning grading method considering risk superposition, relates to the field of aircraft driving safety, and comprises the following steps: selecting pilot dangerous driving single-source risk representation indexes and quantifying, constructing a pilot dangerous driving single-source risk quantitative evaluation model and a pilot dangerous driving multi-source risk superposition model; predicting pilot dangerous driving comprehensive risk; grading pilot dangerous driving comprehensive risk; issuing a grading early warning signal to the pilot according to a prediction structure; and comprehensively analyzing pilot dangerous driving behavior characteristics by constructing a pilot dangerous driving risk quantitative evaluation model and grading early warning of the result, so that efficient perception, prediction and early warning of pilot dangerous driving risk can be realized, and therefore, the aircraft accident rate is reduced, and the aviation transportation safety is improved.

The invention discloses an air traffic management system based on track operation, which comprises an air traffic control brain software system (1) and an air traffic control brain hardware system (2000), wherein the air traffic control brain software system (1) also comprises an aircraft filing system (2), an aircraft track approval system (3), an aircraft monitoring system (4) and an aircraft accident disposal system (5). The hardware system (2000) of the air traffic control brain includes a large database storage system (2001), a large computer computing and processing system (2002), a split display system(2003), and a accident-handling human-computer video interaction system (2004). The invention has the advantages of simple realization, reasonable structure, national integration, high degree of intelligence, safe operation and good man-machine interaction.

The present invention relates to the field of accident investigation technology, and discloses an aircraft accident investigation method, system and controller, wherein the aircraft accident investigation method comprises investigating the accident site, and using ORB‑SLAM2 technology to model the accident site in real time, generating a real-life three-dimensional model of the accident site; importing weather data and geographic environment data into the real-life three-dimensional model of the accident site; constructing an aircraft accident process evolution model; superimposing the aircraft accident process evolution model on the real-life three-dimensional model to generate a virtual-real accident analysis scene; obtaining a shared analysis result record of the collaborative deduction and analysis of the accident analysis scene by the investigation experts and the on-site investigators; and generating an investigation report based on the shared analysis result record. The present invention relies on mixed reality glasses to perform real-life three-dimensional modeling and on-site data collection, combines the accident process evolution model, and superimposes a virtual analysis model on the real-life three-dimensional model for collaborative investigation, thereby improving the efficiency and accuracy of aircraft accident investigations.

The invention relates to the field of installation of live hanging of high-voltage equipment warning devices of electric parts related to cables and electric wires, in particular to an overhead transmission line warning lamp live hanging device and method.The device comprises an equipment mounting frame, a warning lamp bracket is connected to the lower portion of the equipment mounting frame, and a warning lamp is embedded in the upper surface of the warning lamp bracket; a lifting mechanism is arranged in the equipment mounting frame, and the warning lamp bracket can ascend and descend along the equipment mounting frame under driving of the lifting mechanism, so that mounting of the warning lamp is achieved. The device and the method can overcome the technical problems that the wings are too close to the lead when the warning lamp is hung on the unmanned aerial vehicle in the prior art, and the wings easily touch the lead mistakenly to cause air crash after the unmanned aerial vehicle deviates from the preset position due to strong wind and influence of operation skills and experience of a pilot.

The present application relates to the technical field of explosive information comparison, and specifically discloses a three-dimensional comparison and analysis method for explosive information, which comprises the following steps: S1. conveying package detection, S2. conveying package analysis, S3. conveying package hazard judgment, S4. dangerous article processing, S5. dangerous article associated personnel analysis, and S6. associated personnel related information processing. The present application remedies the defect that the existing technology does not pay high attention to the apparent material quality of the internal articles of a package, thereby improving the accuracy of airport explosive detection to a certain extent and reducing the incidence of aircraft accidents. The present application automatically pushes dangerous articles into an explosion-proof area, thereby improving the relevant income of the airport, overcoming the defect of the subjective initiative of the staff, and reducing the harm to the life safety of the staff. The present application remedies the defect that the existing technology requires the staff to trace through monitoring, thereby reducing the waste of resources when the relevant personnel are investigated.

The invention discloses a method for testing the wear resistance of an airport machine-made sand road panel, and relates to the technical field of airport machine-made sand road panel wear resistance testing. A support frame; an aircraft take-off and landing simulation mechanism; an aircraft simulation device; a test piece; the method comprises a first test mode, a second test mode and a third test mode. According to the invention, the performance of the wear-resistant layer on the surface of the test piece can be tested in multiple modes, including the influence of an aircraft take-off state on wear resistance, the influence of an aircraft landing state on wear resistance and the influence of an aircraft accident state on wear resistance, and the wear resistance of the wear-resistant layer can be fully verified through the tests; and a data reference is provided for the improvement of the pavement slab and the flight safety of an airplane.

The invention belongs to the technical field of aircraft flight control systems, and particularly relates to an aircraft autopilot control logic safety evaluation method, which comprises the following steps: acquiring all safety factors, and dividing all safety factors into first-level safety factors, second-level safety factors, third-level safety factors and necessary safety factors; when the safety factor meets the condition, assigning 1, otherwise assigning 0; adding different coefficients to the first-level safety factor and the second-level safety factor, and accumulating the coefficient of each safety factor and the assigned value to obtain a safety evaluation value; when any necessary safety factor does not meet the condition, assigning 0 to the safety evaluation value; safety evaluation is carried out on the control logic of the autopilot based on the safety evaluation value, the safety of the system is improved, and aircraft accidents caused by the design of the autopilot can be eliminated.

This invention discloses a method for inverting aircraft flight data accident investigations based on video image data. The method includes: S1, selecting two consecutive video images P1 and P2 from the video stream data, obtaining the measured latitude, longitude, elevation, and distance from the camera position to reference objects A and B, and obtaining the conversion coefficient between the pixel distance in the video image and the measured distance; S2, constructing a geographic coordinate system with the camera position as the origin and the ground as the coordinate plane, converting and processing the data using the conversion coefficient, and uniformly expressing it on the geographic coordinate system, calculating the geographic coordinate information of aircraft position C and aircraft position C1 respectively, fitting a line to form the inferred trajectory, constructing a flight dataset, storing the inferred trajectory containing geographic coordinate information in the flight dataset, and outputting it. This invention can invert and obtain important flight data such as the trajectory, speed, and altitude of the aircraft involved in the accident based on video stream data, providing accurate and reliable flight data support for aircraft accident investigations.