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Aircraft tractor auxiliary sensing method and system based on multi-source sensors

A technology of aircraft tractors and source sensors, applied in the field of aircraft tractors, can solve problems such as untimely training, affecting operation efficiency, and inaccurate distance estimation

Active Publication Date: 2021-09-10
CHINA-SINGAPORE INT JOINT RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current system has the following two problems: (1) Safety issues: the guardians are not accurate in estimating the distance between the aircraft and the obstacle. Because the wings of the aircraft are thin and long, and the body size is large, it is difficult for the guardians to accurately estimate the distance between the aircraft and the obstacle. Estimate the distance information between the wing, the fuselage and the obstacle, which may lead to the occurrence of collision accidents in the process of aircraft towing; (2) work efficiency problem: in the existing towing scheme, relying on comparing multiple professionals and Their effective communication, shortage of professionals, untimely training, etc. all directly affect the operation efficiency

Method used

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  • Aircraft tractor auxiliary sensing method and system based on multi-source sensors
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  • Aircraft tractor auxiliary sensing method and system based on multi-source sensors

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Embodiment 1

[0035] Please refer to figure 1 , Embodiment 1 of the present invention provides an aircraft tractor-assisted sensing method based on multi-source sensors.

[0036] The method comprises the steps of:

[0037] In step S1, the internal and external parameters of several sensors are calibrated.

[0038] Specifically, if the sensor is installed on the aircraft tractor, the data can be directly processed; if the sensor is installed on an adjacent obstacle, it is necessary to extract the sensor data near the aircraft tractor from the server, and then process the The acquired data is processed.

[0039] The sensor includes one or more of a thermal camera, a 3D laser radar, and a color camera, and the internal parameters and external parameters of the sensor are calibrated by Zhang's calibration method or a circular hole calibration method.

[0040] The selection of the plurality of sensors is to improve the 24-hour operation capability of the aircraft tractor and reduce the use of...

Embodiment 2

[0072] Please refer to figure 2 , Embodiment 2 of the present invention provides an aircraft tractor auxiliary sensing system based on multi-source sensors.

[0073] The system includes a sensor configuration and calibration module 1, an obstacle function module 2, a towing aircraft function module 3 and a safety warning module 4, wherein,

[0074] The sensor configuration and calibration module 1 includes several sensors and calibrates the internal and external parameters of the sensors;

[0075] The obstacle function module 2 is connected with the sensor configuration and calibration module 1, and is used to analyze the information collected by the sensor, including detecting and identifying adjacent obstacles, calculating the position and speed of adjacent obstacles, and Motion trajectory and coverage area prediction of adjacent obstacles;

[0076] The towing aircraft functional module 3 is connected to the obstacle functional module 2, and is used to analyze the speed a...

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Abstract

The invention discloses an aircraft tractor auxiliary sensing method and system based on multi-source sensors. The method comprises the following steps: calibrating internal and external parameters of a plurality of sensors; analyzing information collected by the sensors, including detection and recognition of adjacent obstacles, calculation of the positions and the speeds of the adjacent obstacles and prediction of the motion tracks and the coverage areas of the adjacent obstacles; analyzing the speed and the position of the tractor to predict the state, the movement track and the coverage area of a dragged aircraft; by comparing the distance between the obstacles and the radius of the coverage areas of the dragged aircraft, outputting a safety early warning level prompt. The environment around the tractor can be sensed in an all-dimensional and multi-dimensional mode, effective safety early warning information is provided, and the safety and efficiency of aircraft traction operation are improved.

Description

technical field [0001] The invention relates to the technical field of aircraft tractors, in particular to an auxiliary sensing method and system for aircraft tractors based on multi-source sensors. Background technique [0002] With the rapid development of my country's aviation industry, the daily throughput of domestic airports has also increased exponentially, posing new challenges to the safety and efficiency of aircraft tractors' ground operations. In the existing airport aircraft towing scheme, it is still necessary to equip each aircraft with additional commanders and multiple guardians to ensure efficiency and safety during the towing process. [0003] At present, in the process of aircraft towing, the commander still needs to be used as an intermediate information medium to communicate effectively between the tractor driver and the crew in language and gestures. The guardians are responsible for observing the distance between the relevant parts of the aircraft and...

Claims

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Application Information

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IPC IPC(8): G06K9/00G06T7/73G06T7/80G01S7/497
CPCG06T7/73G06T7/80G01S7/497Y02T10/40
Inventor 王郸维温明星张俊
Owner CHINA-SINGAPORE INT JOINT RES INST
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