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Aerodynamics Analysis of Helicopter Rotor in Flight Test Using Strain Gauge Sensors [PDF]
SensorsThe 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
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Target tracking mission system design and application
Hangkong 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
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The Research of Three Regions Acquisition and Analysis System of Pulse Based on Flexible Sensor [PDF]
E3S 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
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Flutter/ASE Flight Test Risk Control Technique of Civil Fly-by-wire Aircraft
Hangkong 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
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Dynamic Strain Measurement of Rotor Blades in Helicopter Flight Using Fiber Bragg Grating Sensor
Sensors, 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
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Weather Conditions and Cloud Microphysical Characteristics of an Aircraft Severe Icing Process
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
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In-Flight PIV for CROR Flight Test Demonstration [PDF]
32nd 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
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Nonlinear Aircraft Structure Load Model Based on Improved Support Vector Machine Regression
Hangkong 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
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International Journal of Aerospace Engineering, 2021 This paper presents a novel approach of principal component analysis- (PCA-) assisted back propagation (BP) neural networks for the problem of rotor blade load prediction. 86.5 hours of real flight data were collected from many steady-state and transient
Jiahong Zheng, Shuaike Jiao, Ding Cui
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Study on Flight Load Modeling Method for Complex Structure Aircraft
Hangkong 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
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