Research on torque measurement in flight test for all-moving horizontal tail based on spiral driver

IF 16.4 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY
Meng Min, Jiang Xian, Tenglong Gao, Ping Yufei
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引用次数: 0

Abstract

PurposeTorque is one of the main loads acting on the aircraft wing, the horizontal tail and the vertical tail. In flight load measurement, due to the significant influence of the bending moment and the shear force on the strain gauge, the accuracy of torque measurement is usually low. Therefore, aircraft torque measurement is difficult. Based on the characteristics of a certain type of horizontal tail, a measurement method for the torque with high accuracy was proposed in this paper.Design/methodology/approachA new simplified torque measurement method for the all-moving horizontal tail was proposed based on the spiral driver. The feasibility of the method and key points of the tests were analyzed and studied through a virtual load calibration test.FindingsBased on the results of the real load calibration test, the torque load equation with high accuracy was established, and the torque measurement was achieved in load flight tests.Research limitations/implicationsHowever, the proposed method is based on the structure of the spiral driver. If there is generally no spiral driver at the aircraft wings and vertical tails, then the appropriate torque measurement method needs to be derived according to the specific object.Originality/valueThe research in this paper provides a new idea for the torque measurement of aircraft structures, which can be used for the torque measurement of subsequent aircraft types.
基于螺旋驱动装置的全动水平尾翼飞行试验扭矩测量研究
目的扭矩是作用在飞机机翼、水平尾翼和垂直尾翼上的主要载荷之一。在飞行载荷测量中,由于弯矩和剪切力对应变计的影响很大,扭矩测量的精度通常很低。因此,飞机扭矩测量比较困难。本文根据某型水平尾翼的特点,提出了一种精度较高的扭矩测量方法。设计/方法/途径提出了一种基于螺旋驱动的全动水平尾翼简化扭矩测量新方法。通过虚拟载荷标定试验,分析研究了该方法的可行性和试验要点。研究结果根据实际载荷标定试验的结果,建立了高精度的扭矩载荷方程,并在载荷飞行试验中实现了扭矩测量。本文的研究为飞机结构的扭矩测量提供了一种新思路,可用于后续机型的扭矩测量。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Accounts of Chemical Research
Accounts of Chemical Research 化学-化学综合
CiteScore
31.40
自引率
1.10%
发文量
312
审稿时长
2 months
期刊介绍: Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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