Aircraft vibration comfort test device and test method in full-aircraft state

Abstract

The invention belongs to the technical field of aircraft vibration comfort test, and particularly relates to an aircraft vibration comfort test device and test method in a full-aircraft state. The test device comprises a nose landing gear vibration load loading device for applying a vibration load to a nose landing gear; the two main undercarriage vibration load loading devices are used for applying vibration loads to the main undercarriages on the corresponding sides; the two engine spanwise vibration load loading devices are used for applying spanwise vibration loads to the engines on the corresponding sides; the two engine vertical vibration load loading devices are used for applying vertical vibration loads to the engines on the corresponding sides; the two aircraft lift force simulation devices are used for applying simulation lift force loads to the main wings on the corresponding sides. According to the aircraft vibration comfort test device and test method, accurate simulation loading of main vibration source excitation of the aircraft in different flight states in the full-aircraft state can be realized, and a relatively more effective test result can be obtained by carrying out an aircraft vibration comfort test in the full-aircraft state based on the accurate simulation loading of the main vibration source excitation of the aircraft in the full-aircraft state.

Description

technical field [0001] The application belongs to the technical field of aircraft vibration comfort test, and in particular relates to an aircraft vibration comfort test device and a test method in a full-aircraft state. Background technique [0002] In the aircraft structure test, the strength test related to the safety design of the aircraft structure has been mature. However, the focus of today's aircraft design has gradually shifted from the initial aircraft structure safety design to the comfort design of the cockpit environment. The vibration environment of the cockpit is one of the important factors that affect the comfort of the human body. At present, when conducting aircraft vibration comfort tests, local structures and components are mostly selected as test objects, which cannot truly simulate the overall vibration environment information in the cockpit of the aircraft under various flight states, resulting in deviations between the test structure and the actual s...

AI Technical Summary

Problems solved by technology

[0005] However, at present, in the vibration comfort test, there is a lack of effective means to accurately simulate the various flight states of the aircraft under the full aircraft state and the excitation of the main vibration excitation source, and it is difficult to obtain effective test results

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