飞机飞行控制系统电缆的疲劳寿命

Q4 Engineering

Fatigue of Aircraft Structures Pub Date : 2018-12-01 DOI:10.2478/fas-2018-0005

M. Kubryn, Henryk Gruszecki, L. Pieróg, Jerzy Chodur, J. Pietruszka, J. Brzęczek

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引用次数: 1

摘要

摘要缆索飞行控制系统通常用于小型飞机的控制。在这些系统中，电缆是将载荷从飞行员传输到控制表面的唯一元件。在飞行过程中，电缆通过滑轮移动，并承受可变载荷。对电缆中的应力进行简单分析表明，滑轮上的循环弯曲产生的应力会导致电线疲劳。在2007年的定期维护检查中，M28家族的一架军用飞机注意到了这一现象。直径分别为3.5mm和1.8mm的KSAN电缆的耐久性试验在PZL MIELEC进行。测试表明，由于断丝数量的逐渐增加，电缆的疲劳寿命有限。

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The Fatigue Life of Cables in Aircraft Flight Control Systems

Abstract The cable flight control systems are commonly used for the control of small airplanes. In these systems, the cables are the only elements transmitting loads from the pilot to the control surfaces. During a flight the cables are moving through pulleys and are subjected to variable loads. A simple analysis of stress in the cable shows that the stress generated by the cyclical bending on the pulleys causes the fatigue of the wires. This phenomenon was noticed on a military aircraft of the M28 family during periodic maintenance inspection in 2007. The endurance tests of KSAN cables of the diameter equal to 3.5 mm and 1.8 mm were performed at the PZL MIELEC. The tests showed the limited fatigue life of the cables due to a progressive increase in the number of broken wires.

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来源期刊

Fatigue of Aircraft Structures Engineering-Safety, Risk, Reliability and Quality

CiteScore

0.40

自引率

0.00%

发文量

期刊介绍： The publication focuses on problems of aeronautical fatigue and structural integrity. The preferred topics include: full-scale fatigue testing of aircraft and aircraft structural components, fatigue of materials and structures, advanced materials and innovative structural concepts, damage tolerant design of aircraft structure, life extension and management of ageing fleets, structural health monitoring and loads, fatigue crack growth and life prediction methods, NDT inspections, airworthiness considerations.