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Research on Tail Rotor Load Test Flight Technology for Helicopters Based on Strain Sensor Measurement [PDF]

open access: yesSensors
The load characteristics of the helicopter tail rotor system are critical to flight safety and handling performance, and flight testing remains the most direct and reliable means to obtain authentic load data.
Shuaike Jiao   +3 more
doaj   +2 more sources

Aerodynamics Analysis of Helicopter Rotor in Flight Test Using Strain Gauge Sensors [PDF]

open access: yesSensors
The acquisition of aerodynamic loads on helicopter rotors is fundamental to the study of helicopter performance optimization, structural design, flight control, and other aspects.
Shuaike Jiao, Jiahong Zheng
doaj   +2 more sources

Target tracking mission system design and application

open access: yesHangkong gongcheng jinzhan, 2023
Man-aircraft closed-loop characteristics is very important for the high precision flight mission.In order to check man-aircraft closed-loop characteristics under the condition of shortage of flight test resources, a visual target tracking system is ...
ZHANG Ying   +3 more
doaj   +1 more source

Flutter/ASE Flight Test Risk Control Technique of Civil Fly-by-wire Aircraft

open access: yesHangkong gongcheng jinzhan, 2022
The existing research on flight test risk control techniques related to flutter/ASE test is not systematic enough,and has limited consideration of civil fly-by-wire aircraft characteristic and onboard flight test engineer.The flutter/ASE flight test risk
WANG Haigang, ZHANG Shaoyun
doaj   +1 more source

Dynamic Strain Measurement of Rotor Blades in Helicopter Flight Using Fiber Bragg Grating Sensor

open access: yesSensors, 2023
Fiber Bragg grating (FBG) sensor has a lot of advantages over the resistance strain gauge and has been used in many applications. However, there are few applications of rotor blade dynamic measurement in helicopter flight.
Honglin Zhang   +3 more
doaj   +1 more source

The Research of Three Regions Acquisition and Analysis System of Pulse Based on Flexible Sensor [PDF]

open access: yesE3S Web of Conferences, 2021
The objectification of pulse diagnosis is very important to the development and inheritance of TCM, the first step is how to collect more abundant and comprehensive pulse information quickly, reduce the threshold of users for using pulse diagnosis ...
Shilei Xue, Zhao Hao, Ying An, Kun Huang
doaj   +1 more source

Weather Conditions and Cloud Microphysical Characteristics of an Aircraft Severe Icing Process

open access: yes应用气象学报, 2022
Based on the aircraft measurements on 28 February 2021, combined with ERA5 reanalysis data and sounding data, the weather background and the characteristics of cloud structure of a severe icing case on the aircraft are analyzed.
Wang Zelin   +6 more
doaj   +1 more source

In-Flight PIV for CROR Flight Test Demonstration [PDF]

open access: yes32nd AIAA Aerodynamic Measurement Technology and Ground Testing Conference, 2016
Designing innovative solutions for future aircraft is one the concerns of aeronautical engineers. Among the studied technologies, Counter Rotating Open Rotor (CROR) propeller technologies are appearing as a promising, though highly challenging, alternative solution to Ultra High Bypass Ratio (UHBR) engines.
Pommier-Budinger, Valérie   +3 more
openaire   +3 more sources

Nonlinear Aircraft Structure Load Model Based on Improved Support Vector Machine Regression

open access: yesHangkong gongcheng jinzhan, 2020
In order to carry out aircraft structural load safety monitoring and accumulate relevant structural load data for aircraft fatigue life assessment, it is necessary to establish aircraft structural load model related to flight parameters.
TANG Ning, BAI Xue
doaj   +1 more source

Study on Flight Load Modeling Method for Complex Structure Aircraft

open access: yesHangkong gongcheng jinzhan, 2022
The traditional flight load modeling method of complex structure aircraft has the problems of large error and low efficiency. A flight load improved modeling method is proposed,which is comprehensively considering the influence of the bridge index and ...
CHEN Zhiming, TANG Ning, FAN Huafei
doaj   +1 more source

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