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A method for evaluating the steady-state and transition-state performance of each system under the maneuvering action of a fighter jet

A technology of maneuvering action and steady-state performance, applied in the field of fighter flight, can solve the problems that there is no systematic evaluation and analysis method and system, and achieve the effect of optimizing design and maintenance support

Active Publication Date: 2022-07-15
CHENGDU AIRCRAFT INDUSTRY GROUP
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  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

However, for the performance evaluation of aircraft systems during specific maneuvers during air combat, mainly including steady-state maintenance performance and transition response performance, there is no systematic evaluation and analysis method and system.

Method used

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  • A method for evaluating the steady-state and transition-state performance of each system under the maneuvering action of a fighter jet

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Embodiment 1

[0029] This embodiment discloses the performance evaluation of each system of the aircraft based on the performance evaluation of each system of the aircraft during the air combat process, so as to realize the monitoring, evaluation and analysis of the performance of each system of the aircraft in the air combat mission, so as to optimize the design and maintenance guarantee of each system of the aircraft , and provide a basis for state change for the planning and execution of subsequent missions, so that pilots who perform missions can understand their advantages and threats during the mission, and better complete the combat missions of fighter jets. The specific process is as follows: figure 1 shown, including the following steps:

[0030] The first step is to input the aircraft speed, altitude, overload, pitch angle, yaw angle, roll angle and the actuation signals of each wing surface, vertical Tail and rudder surface actuation signals, engine signals and other key paramete...

Embodiment 2

[0036]On the basis of the above-mentioned embodiments, this embodiment further defines a method for evaluating the steady state and transition state performance of each system of the aircraft under the maneuvering action of the fighter jet. In the second step, a typical judging model for the maneuvering action of the fighter jet is used to analyze The input data, and then obtain the tactical and air combat maneuver information used by the fighter in the air combat process. Specifically, the aircraft route information is obtained, and the latitude and longitude, altitude, yaw angle, roll angle, and pitch angle are used as inputs to construct a six-degree-of-freedom maneuvering model of the aircraft. The establishment of the maneuvering action discrimination model, through the machine learning method based on the dynamic Bayesian network in the Python language in the Windows environment, realizes the identification and classification of maneuvering actions, and records the classi...

Embodiment 3

[0038] Based on the above embodiments, this embodiment further defines a method for evaluating the steady state and transition state performance of each system of the aircraft under the maneuvering action of the fighter. In the third step, the maneuvering action segment is used to divide the flight path. The division principle of maneuver segments will mark the start and end points of maneuvers in the voyage track according to the classification results of deep learning, name maneuver segments with typical maneuvers, and extract key flight parameter data in the segment. The other parts of this embodiment are the same as the above-mentioned embodiments, and are not repeated here.

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Abstract

The invention discloses a method for evaluating the steady state and transition state performance of each system under the maneuvering action of a fighter jet, including the following steps: 1) inputting key parameters of the fighter jet in the air combat process; 2) judging the maneuvering action used in the air combat process of the aircraft; 3) At the completion stage, divide the track and analyze the system state parameters under different maneuvering actions; 4) Compare and analyze the steady-state performance retention capability and transition state response recovery capability of each system, and obtain the performance of each system under different maneuvering actions; Two-dimensional analysis of the multi-system data of the system is carried out, and dynamic display is performed to display and count the steady-state performance retention capability and transition state response recovery capability of each system at a certain moment during the flight process. The invention analyzes and solves the key parameters of the fighter in the air combat flight process, analyzes and obtains the steady state performance maintaining ability and the transition state response recovery ability of the aircraft's various systems under the typical maneuvering action of the fighter in the air combat, and provides the pilot with risk decision-making assessment. result.

Description

technical field [0001] The invention relates to the technical field of fighter flight, in particular to a method for evaluating the steady state and transition state performance of each system under the maneuvering action of the fighter. Background technique [0002] At present, the analysis and evaluation of tactics and maneuvers used by fighter jets in air combat are divided into two methods: qualitative analysis and quantitative analysis. Qualitative analysis mainly analyzes and reads back the data transmitted from the airborne embedded training system to the ACMI system (Air Combat Training Evaluation System), and combines expert knowledge and flight experience to review maneuvering actions. Quantitative analysis is mainly carried out through the military fighter piloting quality assessment system currently developed by the Air Force. This system can realize the judgment of maneuvering actions used in the flight process, and mainly evaluate the completion quality and com...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/15G07C5/08B64F5/60
Inventor 王宏阁李杨
Owner CHENGDU AIRCRAFT INDUSTRY GROUP
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