The vibration reduction index allocation method for aircraft vibration comfort design

被引：0

作者：

Shu, Juncheng ^{[1
]}

He, Erming ^{[1
,3
]}

Li, Yongzhi ^{[1
]}

Li, Yixuan ^{[2
]}

Li, Kaixiang ^{[2
]}

Mu, Rangke ^{[2
]}

机构：

[1] Northwestern Polytech Univ, Sch Aeronaut, Xian, Peoples R China

[2] Aircraft Strength Res Inst China, Xian, Peoples R China

[3] Northwestern Polytech Univ, Sch Aeronaut, Xian 710072, Peoples R China

来源：

MECHANICS OF ADVANCED MATERIALS AND STRUCTURES | 2024年 / 31卷 / 27期

关键词：

Vibration reduction index allocation; vibration comfort design; vibration contribution; generalized cost; grey theory; transfer path analysis; OPTIMIZATION METHOD; RELIABILITY; SYSTEMS; TIME;

D O I：

10.1080/15376494.2023.2278171

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A two-level vibration reduction index (VRI) allocation method is proposed to guide aircraft vibration comfort design. Firstly, using grey theory and transfer path analysis, the reduced total vibration at the target point is allocated to vibration contributions from main sources. Secondly, the VRI assigned to each dominant contribution is allocated to dampers at critical locations according to generalized costs. Finally, the method is demonstrated through cockpit vibration comfort design. The effective loads transferred from engine mounts are reduced by over 49.17%, and the effective accelerations from these loads through seat-floor dampers are decreased by over 53.95% for a discomfort-free experience.

引用

页码：9611 / 9624

页数：14

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